Multiple Domains/Website On Single Hosting Plan

I currently host my website with a shared hosting company
that uses the latest version of ColdFusion MX.
I recently registered a second domain and pointed it to the
same IP address. I found some code on another ColdFusion forum that
allows you to direct users to subfolders depending on the domain
(cgi.server_name) in their request (see attached code).
Here's my sample file structure (names are changed to protect
the innocent)...
/ (Root)
application.cfm (With The Attached Code In It)
index.cfm
/FOLDER1/ (Folder For domain1.com Content)
index.cfm
janeway.cfm
chakotay.cfm
/FOLDER2/ (Folder for domain2.com Content)
index.cfm
picard.cfm
riker.cfm
The browser calls the proper file only when I use:
http://www.domain1.com/
http://www.domain2.com/
http://www.domain1.com/index.cfm
http://www.domain2.com/index.cfm
It looks like that in order for it to access any file, say
/folder2/picard.cfm, there needs to be a picard.cfm in the root as
well.
Is there a configuration difference between my server and the
person who wrote the original code; I can't imagine that the person
who wrote the code overlooked such an obvious flaw. Perhaps there's
a better way to go about this all-together?

Hi,
We are into a situation where we need to authenticate users of two domains and these two domains are completely independent (no common DNS server). ISE is not able to resolve one of the domain using the DNS server settings and Adding a host entry for the domain name is not sufficient since Kerberos, GC and LDAP SRVs need to be resolvable as well.
From what I know ISE 1.3 should supports disjointed domains and there is no requirement for ISE to have 2 way trust relationship with domains.
Please share your experience if someone has faced similar situation before.
Regards,
Akhtar

Similar Messages

How do I host multiple domains on a single Messaging Server?

How do I host multiple domains on a single Messaging Server?
<p>
To host multiple domains on one Messaging Server, use the
mailAlternateAddress attribute. If you want to host two domains
(customer1.com and customer2.com) on your server mail1.domain.com,
make sure that:
The various domains (in DNS) point to the installed mail server
(you must have the MX records that
points mail for customer1.com to mail1.domain.com and
customer2.com to mail1.domain.com)
That each person receiving mail at customer1.com and
customer2.com has an appropriate mailAlternateAddress
attribute describing the appropriate email address. For
instance, John Doe can have an email address (i.e. the value
of the 'mail' attribute for the John Doe LDAP entry) of
[email protected] and receive his mail on
[email protected] (the value of the mailAlternateAddress
attribute)
With Messaging Server 3.5, mailAlternateAddress can take the
form of @mail1.domain.com. If jdoe's mailAlternateAddress is
set to @mail1.domain.com, mail sent to [email protected]
will be delivered to [email protected]

jaygatsby1123 wrote:
So what exactly am I doing with virtual hosts? There is a place for Aliases... What would I put in the "Aliases" box?
Any other host name that you want to resolve to the specified virtual host. It's quite literally an alias.
if you want www.example.com and www.example.org to end up at the same web site and you already have a virtual host — Apple refers to virtual hosts as sites — configured for www.example.com in Server.app, then you'd add www.example.org as an alias for the www.example.com virtual host (site).
Virtual hosts are implemented in a web server using some details of the HTTP or HTTPS protocol, and what the web browser (client) specified. The client gets handed an IP address or a domain name by the user, and the client then fetches the associated IP address for the target web server from the client's DNS services or local host database, and the client then connects to the IP address and passes over the text string that the user had requested — the IP address or domain name or even some local shortcut set up in the client system — via the HTTP or HTTPS protocol. The web server receives and processes this arriving text string from the client, and uses it to select which web site to render back to the web client. One subtle detail lurks here, too: the server's own DNS configuration really isn't involved in the selection of the virtual host.

Db2 multiple instances in a single host

Hi,
os - windows 2008 db - db2 9.1 fp7
if i want to install 2 sap instances in a single machine in windows how to proceed?
1) I have read the documents where installation doc saying default db s/w path is /db2/db2sid/db2_software.is this the s/w path in windows? some where i read it saying default path is drive:/program files/IBM/sqllib.what is actually the difference?
2) and also read in the forum and also in the note 978555 and 930487,it says multiple instance is not possible in db2 ie we can have only 1 defalut copy of db2 so we cant have multiple instances with the different copies of db2(up to kernel version 7.0) .is this correct? for 1st instance it is /db2/db2sid1/db2_software and for 2nd instance it is /db2/db2sid2/db2_software right?so how we cant have 2 instances with 2 different db2 copies?
pls expain me.
Thanks

Hi Rajesh,
if i want to install 2 sap instances in a single machine in windows how to proceed?
1) I have read the documents where installation doc saying default db s/w path is /db2/db2sid/db2_software.is this the s/w path in windows? some where i read it saying default path is drive:/program files/IBM/sqllib.what is actually the difference?
sqllib is only the links. The actual database is not this path.
2) and also read in the forum and also in the note 978555 and 930487,it says multiple instance is not possible in db2 ie we can have only 1 defalut copy of db2 so we cant have multiple instances with the different copies of db2(up to kernel version 7.0) .is this correct? for 1st instance it is /db2/db2sid1/db2_software and for 2nd instance it is /db2/db2sid2/db2_software right?so how we cant have 2 instances with 2 different db2 copies?
Multiple instances on a single host is only supported as of 9.7 you would have to upgrade to that release.
You can technically have two instances as of 9.1 but as per the sap note s you have mentioned, this is not supported by SAP
For more information on 9.7 see:
http://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/901b4314-9851-2c10-1c8f-b0ddd38d6e75
SAP note: 1351160 DB6: Using DB2 9.7 with SAP Software
Hope this answers your query,
Paul

Multiple Oracle databases on Single host

Hi Gurus,
I am new to SAP World. We are planning to install multiple SAP systems (ECC/BW/SRM/XI) on a single host with Oracle 11.2.0.2. As per SAP instguide, the Oracle RDBMS software should be owned by ora<SID>:dba. So we are planning to install the oracle software for the first dev system ERD under 'oraerd:dba' id. And the next will be under 'orabwd:dba' and the third under 'orasrd:dba'.
My questions is, instead of having multiple ORACLE_HOME's owned by individual id's, can I have one consolidated Oracle_Home owned by 'oracle:dba' which then controls all the oracle db's and its datafiles.
I know there is a SAP Note to do this for Oracle RAC (prd is being planned this way), but can we do the same for Single instance also.
Best Regards
Shiv

Shivaspo wrote:
Hi Orkun,
> Thanks for your reply. Its a must or its just better to have under individual O_H. The reason we were looking to out all under 'oracle' was that our DR site for the prod is going to be single instance physical standby using DG. SAP recommends to have the OS user on the DR host to be oracle, so that there are no issues with permissios for log shipping.
> So we will end up having multiple db's system running under 'oracl' on the DR site.
>
> -Shiv
Hi Shiv,
Technically, there's no restriction to configure your system, by this way. But from SAP point of view; at the first step, because the the installation is not completed as referred by SAP installation guide, you will not able to get support by SAP. For the instance, if you face with a problem during the productive, SAP may not support your installation.
Secondly, you may face with the problems at the database upgrades and applying patches. For example, you need to stop all the databases when you decided to patch one of them.
I can count many restrictions about this issue. As a summary, from technical way, it is possible to have one Oracle home, but it is strongly recommended to have different Oracle home folders for each Oracle installation.
Best regards,
Orkun Gedik

SCCM 2012 Multiple Domains with a single SCCM instance

Hello:
Can SCCM 2012 be deployed to multiple untrusted domains within a single install?
I work for a company that maintains multiple client networks all Windows Domain and non are trusted / or are even aware of the other sites.
I would like to setup a SCCM 2012 (and also a Virtual Machine Manager for HyperV) at my office and manage all my different client sites from the single SCCM server.
The connection would be from my office over the Internet in through their on prem firewall
Currently we use Centra Stage and have used Kaseya in the past. I am looking to move from them and focus on SCCM to do this for me.
Is this even possible to do with the product?
Thanks in Advance!
-David

Yes, ConfigMgr can manage (un)trusted forests, but what exactly do you mean with "not aware of the other sites"? A requirement is that name resolution and a connection is possible.
For some good scenario's see also this series:
http://blogs.technet.com/b/neilp/archive/2012/08/20/cross-forest-support-in-system-center-2012-configuration-manager-part-1.aspx
My Blog: http://www.petervanderwoude.nl/
Follow me on twitter: pvanderwoude

How can I host multiple domains on a single Mac?

It's actually a little more complicated than that.
I have a site, let's call it site.com, and it's hosted just fine on my Mac Mini, accessible via the Internet and everything.
I want to use the .co domain of my site, which is pointed to the same IP as .com in DNS records, for the Wiki feature. Unfortunately, I'm pretty sure OS X Server won't let you use both a custom website AND Wiki, but besides that I want the two on different domains.
I have a Parallels VM of OS X 10.9 with Server installed and more or less configured for Wiki with the .co domain.... I feel like I'm really close, here, maybe just a couple of steps away, but alas, I'm stuck, mostly because all the guides I've found that cover this do so with earlier versions of OS X Server, and aren't quite doing what I want to do (another domain and Wiki as opposed to just adding a Site to the list, so I think I absolutely need a VM here).
I'm pretty sure I have to configure the DNS settings of the OS X Server instance in the host OS, and I have an IP to give it (if I put that into a browser in the host OS X, it takes me to the .co site, but going directly to .co just takes me to .com).
Any ideas?

jaygatsby1123 wrote:
So what exactly am I doing with virtual hosts? There is a place for Aliases... What would I put in the "Aliases" box?
Any other host name that you want to resolve to the specified virtual host. It's quite literally an alias.
if you want www.example.com and www.example.org to end up at the same web site and you already have a virtual host — Apple refers to virtual hosts as sites — configured for www.example.com in Server.app, then you'd add www.example.org as an alias for the www.example.com virtual host (site).
Virtual hosts are implemented in a web server using some details of the HTTP or HTTPS protocol, and what the web browser (client) specified. The client gets handed an IP address or a domain name by the user, and the client then fetches the associated IP address for the target web server from the client's DNS services or local host database, and the client then connects to the IP address and passes over the text string that the user had requested — the IP address or domain name or even some local shortcut set up in the client system — via the HTTP or HTTPS protocol. The web server receives and processes this arriving text string from the client, and uses it to select which web site to render back to the web client. One subtle detail lurks here, too: the server's own DNS configuration really isn't involved in the selection of the virtual host.

Multiple Domains with one single Portal

We have installed Oracle Infrastructure and Oracle Midtier on one box. Let's say the domain name is http://www.abc.com. When we query http://www.abc.com, it
goes to the SSO (Infra) and validates the username and password and takes it back to the Mid-Tier Portal Pages. At this junction, everything is working as expected.
Now, we created two more webpages and they correspond to two domains -- let's say http://www.pqr.com and http://www.xyz.com. The two webpages that got created were PUBLIC pages, so anybody can have access to those pages.
Can we implement our requirements using one infrastructure and one midtier (1st)installation? OR do we install two more midtier (2nd, 3rd) to correspond
to each domain name which are www.pqr.com and www.xyz.com and then have the proxy server redirect the request for www.abc.com to 1st-Midtier, www.pqr.com
to 2nd-Midtier and www.xyz.com to 3rd-Midtier?
We have a apache proxy server installed in front of the 9iAS, but we are going to use it just for redirection.
I understand Oracle Infrastructure has only ONE portal Schema and so how would multiple midtier (webpages) will reside? Do I need to create another PORTAL repository and a new DAD, so that www.pqr.com points to the 2nd-Portal Repository and www.xyz.com points to the 3rd-portal?

Through a single mid-tier it is possible to configure Oracle HTTP Server/Web Cache such that they are configured to handle multiple logical site names (e.g. www.pqr.com and www.xyz.com) by using Virtual Hosts.
In terms of a single Portal Repository being accessed by multiple mid-tiers (or logical sites), this is not currently possible since the Portal Repository is configured with only one set of site details.
For further information on configuring Virtual Hosts and Portal see the Advanced Chapter of the 10g Portal configuration guide...
http://download-west.oracle.com/docs/cd/B10464_01/portal.904/b10356/cg_advnc.htm#1040267

Multiple Domains in a Single Server

Hi:
I have a requirement where two domains (at this time) need to be set-up in single server.
Each domain need to have a Admin Server , OSB, SOA, OSR and OER as managed servers and each runs in different port.
Each domain has it own schema, but shares the same instance and database
Is it possible to run both domain at same time, (i-e) i should be having both the servers up and running and should be able to open the consoles of Admin server and managed servers for each of the domains configured?
Regards,
RK

Is it possible to run both domain at same time, (i-e) i should be having both the servers up and running and should be able to open the consoles of Admin server and managed servers for each of the domains configured?That should be no problem... Use different port numbers, different schemas and different domain directories... You can share the same product installation...
Cheers,
Vlad

Multiple entries for a single Host in tnsnames.ora

I'm part of the end user computing and we are in the process of making a consolidated tnsnames.ora file as part of our migration from Windows XP to 7.
The following two entries are to the same host, but are named different and use different ports, we can't locate the original programmer that set it up.
I need to know if this would cause conflicts or not?
PYRPROD.WORLD =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(Host = [same hostname])(Port = 1521))
    (CONNECT_DATA =
      (SID = pyrp1)
PYRP1 =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [same hostname])(PORT = 1526))
    (CONNECT_DATA =
      (SERVICE_NAME = pyrp1)

TekWarrior wrote:
I'm part of the end user computing and we are in the process of making a consolidated tnsnames.ora file as part of our migration from Windows XP to 7.
The following two entries are to the same host, but are named different and use different ports, we can't locate the original programmer that set it up.
I need to know if this would cause conflicts or not?
PYRPROD.WORLD =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(Host = [same hostname])(Port = 1521))
    (CONNECT_DATA =
      (SID = pyrp1)
PYRP1 =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [same hostname])(PORT = 1526))
    (CONNECT_DATA =
      (SERVICE_NAME = pyrp1)
TekWarrior wrote:
I'm part of the end user computing and we are in the process of making a consolidated tnsnames.ora file as part of our migration from Windows XP to 7.
The following two entries are to the same host, but are named different and use different ports, we can't locate the original programmer that set it up.
I need to know if this would cause conflicts or not?
PYRPROD.WORLD =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(Host = [same hostname])(Port = 1521))
    (CONNECT_DATA =
      (SID = pyrp1)
PYRP1 =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [same hostname])(PORT = 1526))
    (CONNECT_DATA =
      (SERVICE_NAME = pyrp1)
It won't cause any problem.

Start multiple domains simultaneously on 1 Weblogic server installation?

Is it okay to start and run multiple domains simultaneously. Better yet, when having multiple domains on 1 WLS server, should each domain have a different port number in order to be run simultaneously?
Here's my scenario - I installed Oracle Business Intellgence, which by default installs and configures WLS server for certain Business Intelligence applications (BI Publisher). This instance was running fine and good and still is.
Then I had another application, Oracle Data Integrator, which has a Console piece that requires a domain on WLS. So instead of modifying the existing domain for Oracle Business Intelligence, I created a new domain via the Configuration Wizard and selected those components for Oracle Data Integrator.
therefore current domains:
...\domains\bifoundation_domain --> installed automatically as part of Oracle Business Intelligence
...\domains\odi11g --> I created this domain after I
Now I have 2 domains under 1 WLS Server (windows 7 64bit), but if I startWeblogic.cmd for the bifoundation_domain, and I startWeblogic.cmd for the odi11g...then only the components for the bifoundation_domain become available via the WLS Console.
Questions:
- Can I run both domains simultaneously?
- Should I have modified the bifoundation_domain to include Oracle Data Integrator component; therefore only having 1 domain but having everything run under that domain?
- Does the Port for each domain matter? both bifounddation_domain and odi11g domain use ports 7001
Are there any other considerations? Thanks much.

Hi,
It is perfectly OK to run multiple domains on a single Weblogic server installation. Only constraint would be you have enough capacity available on your server to start multiple instances.
Things to note is, if your domain1 is running on listen address : port { localhost : 7001 } then your other domain should be configured on a different port say {localhost : 8001 }. If you want both domain to run on same port then go for virtual IP's to be plumbed on your physical network interface and configure as,
domain1 - { ip1 : 7001 }
domain2 - { ip2 : 7001 }
this way you will can access both domain admin console on same port.
Remember, Weblogic resources cannot be shared between domain, however a single nodemanager will be enough to monitor both the domains.
* rank it if answer is helpful :) *
Thanks,
Ranjan

Multiple Sites, Multiple Domains, one .mac account?

So, is this possible? Can you create multiple sites in iWeb, save them to a .mac account, and then purchase domain names for each of those sites and have one assigned to each? I'm assuming no, but I'm seeing if someone knows how or someone has some workaround to keep it on .mac, but have multiple domain names for my sites?
Thanks!!

So, is this possible?
No.
Can you create multiple sites in iWeb, save them to a .mac account, and then purchase domain names for each of those sites and have one assigned to each?
Yes and no. While .Mac does offer Domain name hosting in the form of a CNAME alias, only one Domain name is available per .Mac account. .Mac is not a registrar for multiple Domains. You can host multiple sites on your .Mac account, but if you desire a 'Domain name' for each site, you will need to purchase the Domains from a registrar like Yahoo, GoDaddy, 1&1, etc, and then forward these Domains to the appropriate sites, hosted on your .Mac account.
I'm assuming no, but I'm seeing if someone knows how or someone has some workaround to keep it on .mac, but have multiple domain names for my sites?
The "workaround" would be to utilize Domain forwarding from a Domain name registrar, using the .Mac urls for the forwarding address(es).
-Mark

SPNEGO ADDON -- Multiple Domain

Hi Experts,
I´m configuring SPNEGO Addon for windows 7 clients but I have some questions:
- What happened with old configuration with spnego wizard?
- if I have multiple domain in the server hosts file like multiple.domain.com multiple.main.ve. Do I have to create 2 REALMS in
hostname:50000/spnego/cfg?
- When generate the ktab with JDK 1.6 ktab -a principal_name -k keytabname
principal_name is the service user or the j2ee server?
-If I have 3 aliases for the hostname Do I have to create setspn for each one with the same service user?
Regards.

Hi Olivier,
yes you are right, there is configured a trust relationship between the three domains controlers.
But how can I tell the spnego module if an user who is coming from AMERICA.OUR-WORLD.COM to trust this domain too.
Do I have to define a new realm for each domain with own keytab file and service user?
Or do I have just to modify the krb5.ini/conf directly? But where can I find this file?
Regards,
Wolfgang

HT2500 Hi, I have a problem with my mac mail account. Its linked with my website and i've just transferred my domain and host plan to 123-reg.co.uk Now for some reason emails disappear from my inbox! Emails come in and then my inbox is empty.. Help!

Hi, I have a problem with my mac mail account. Its linked with my website and i've just transferred my domain and host plan to 123-reg.co.uk Now for some reason emails disappear from my inbox! Emails come in and then my inbox is empty.. Help!

Lord K. Thank you. Yes I am within the 90 time period, however I travel Intertionally and I can not receive not make a call to Apple. I was just at the Genius Bar in Chicago and they said, don't worry about it. It just floats out there, however, I can not recover my messages on a flash drive. I need to go back to my old computer which I don't have with me. My messages were in folders for a lawsuit. It is going to take an incredible amount of work for me to, you have no Idea. We are talking thousands of pages! I the defendent will have them during discovery so I am not so worried. However, I can not bring them to him on a Flashdrive when I meet with him without an extraordinary amount of presssure on my part. THis is not just some little email issue. This is suing EXPEDIA and Tripadviosr.com

How many websites can i host with a webCommerce plan?

I'm wondering how many websites I can host if I have a webCommerce plan? I see that it says 3 users, does that mean website essentially? I currently use Dreamhost and they allow me to host an extremely large number of websites for a low yearly price. I do want to be able to incorporate eCommece with Adobe Muse so the webCommerce sounds inticing but it's hard to justify without being able to host a wide varity of sites since the webCommerce plan is almost 5x's at much than Dreamhost.
If the answer is yes only 3 websites unless you pay more per site, then does that allow you to have sub-domains off of a website? For example if I had 3 sites total and one of them is www.bubslove.com - can I host www.party.bubslove.com without it taking up 1 user?
Thank you

Hi,
First off, aside from being a registrar, through its parent company New Dream Network, Dreamhost just offers hosting. A place on a server to store the website(s) you build from Scratch.
Business Catalyst offers a BaaS model, where all the struggle of developing an effective business platform, complete with site analytics, content management, social media sharing, phone and tablet support, sftp & file management, hosted e-mail accounts, dynamic menu builders, blogging engine, customer database, e-mail marketing, forums, e-commerce platforms, business reporting, event booking and webapps is turned into a process as easy as carrying out a few clicks.
Now, the 3 users you mentioned are actually the number of administrator accounts offered for a single BC account.
You could host multiple websites under a single bc account, as long as you keep some things in mind:
- You can add multiple domains to a BC account, each one pointing to a separate page. You can add as many sub-domains as you like
- Each "separate site" can be customized in any way you like, using separate templates and stylesheets and with custom templates for modules
- System messages, invoices, the shopping cart, system e-mails, will each share a single template (though with some javascript some of these can also be adapted)
- There will only be a single sitemap available
A significant advantage of this scenario would be to have a single CRM database for all the websites involved! Now, depending on the complexity of the sites involved this "multiple-sites-under-one-account" strategy can either be a piece of cake (a few microsites) or an elaborate adventure ( when talking about e-commerce, if you want customized system e-mails and a separate checkout experience for each site)
To conclude, the base of starting this comparison between Dreamhost and Business Catalyst is not justified. For whatever you would pay at Dreamhost, you'd only get storage. You'll add development & support costs To that. With BC's e-Commerce plan you get a complete business setup
Kind Regards,
Alex Pavelescu

Managing multiple Postfix instances on a single host

We have quite a few sites on our Xserve. Each site should be able to relay email out the respective unique IP on a single host; however, by default email goes out the default website of the server or which IP is the current gateway.
NOTE: this is not a Postfix Virtual Domain Hosting > mail forwarding domains issue. Mail routes just fine to the correct email boxes. This is and issue where email going out to other mail servers originates from the box and not the respective domains and IP space.
The solution for this is Multiple PostFix Instances. One for each website (each website has a respective IP due to SSL and DNS is correct along with MX records).
For the outbound mail relay for our corporate network it seems there are no fields to enable a new postfix instance for each hosted or virtually hosted domain. Nor is there a way to enable SMTP to relay outgoing mail through another host unless you use a generic setting for every website on the server.
So for a enterprise level business how do we Managing multiple Postfix instances on a single host?

Fully on the same page with you. 110%
Here is why I am under the impression of why each domain name needs to be as if it needs its own MTA (mail transfer agent). No matter how big or small the business.
Just like a domain using SSL in Apache needs a dedicated IP when doing the packets . . .
Yahoo the big dog (for small to medium online businesses 70% of their customers make purchases with Yahoo emails; which most of them are temp emails or known as aliases.) states:
From: help.yahoo.com/l/us/yahoo/mail/postmaster/basics/postmaster-02.html
Many mail providers follow the same guidelines:
{quote}Segregate your lists to different IP addresses. If you maintain several lists (or clients, especially for an ASP), you may want to segregate your lists to ensure that users are marking each list on its own merits. If user sees both spam and legitimate mail from the same IP, their notifications to us will be hazy and will likely result in the spam overiding the legitimate mail.{quote}
So why not segregate websites to email out their own dedicated IPs?
Understandably sites that share IP space can go out the default MTA or better yet the MTA of that IP.
This way host providers can segment groups of clients and further prevent issues with out going email.
When email goes out a single MTA there are checks and rate limitations not just on the hops involved but from the "originating" IP address. So if site "A" has one IP and site "B" has another . . . well they both send email out the same default gateway. Take 100's of domains going out the same IP and customers (websites) start having issues getting customer communications delivered.
{quote}Maintain accurate reverse-DNS information for your mail servers. Yahoo! Mail makes extensive DNS checks for each connection, and an accurate reverse DNS will ensure prompt processing of your connection and email.{quote}
One mistake by one client out of 1,000 sites (or now Apple letting tens of thousands of sites able to be hosted) can get all 1,000 websites deferred and have what is called "reputation" issues.
In the past, as companies grow, sure they get more boxes or can cluster mail servers. With economic times beyond using Parallels . . . a single Mac Xserve can handle tens of thousands of websites doing a few thousand emails a day or more. It is more of a software/setting/configuration issue than just capability.
I remember Intel board meetings in the 90's where I (as a customer) stated put two nic cards on the mother board, standardize those rails, put twisted pair on those hard drive cables. Some things just take practical experience to see yes there is a real need and the business people are not getting it because they are focussing on the business or chasing their tail.
Also Note the IP address has to be STATIC:
From: help.yahoo.com/l/us/yahoo/mail/postmaster/errors/550-bl21.html;ylt=AsNxnjlX971dwy743e7j.olJHdG
{quote}In our continuing efforts to protect our users from unsolicited email, Yahoo! Mail does not accept SMTP connections from dynamic or residential IP addresses . . .{quote}
From: help.yahoo.com/l/us/yahoo/mail/postmaster/basics/postmaster-15.html
{quote}Segregate your mail streams by IP addresses, domains and/or DKIM selectors since Yahoo! Mail keeps reputation data about each IP address and domain you send from. For example, by segmenting the mail stream that delivers marketing mail from another that sends transactional messages, you make it easier for Yahoo! Mail to determine and assign each mail stream's reputation. {quote}
{quote} Use common-sense settings. While we have not published guidelines for numbers of connections you can concurrently use, we ask that you treat our resources with respect. The more you take, the fewer there are for others, which may force us to defer your connections. {quote}
From: help.yahoo.com/l/us/yahoo/mail/postmaster//basics/postmaster-38.html
{quote}To facilitate the smooth flow of messages between legitimate senders and Yahoo! Mail, we offer the following recommendations:
Limit the messages you send per connection
Yahoo! Mail accepts a maximum of 5 messages per SMTP connection. We encourage you to cap the number of messages you send to Yahoo! Mail to fall within this per-connection limit.
When this limit is reached, no further messages will be accepted for delivery as our server automatically terminates the connection (without giving an error code). If you are sending messages to a significant number of Yahoo! Mail users, the suggestions below will help ensure uninterrupted delivery for your messages.
Reestablish connections if you do not get an error code
When our server terminates your connection after 5 messages have been accepted, you may try to reconnect to our MX servers immediately thereafter.
Open concurrent connections
You may open concurrent connections from the same server to facilitate efficient transmission of your messages. However, while we do not publish specific guidelines for the numbers of connections you can concurrently use, we ask that you treat our resources with respect. The more you take, the fewer there are for others, which may force us to deprioritize connections from your server(s).{quote}
In the Server Admin under General one can enable IMAP with a maximum number of connections. However, for normal SMTP there is no connections cap. Unless I am wrong here.
Domain throttling by domain is another way, but the real solution is just dedicated IPs for each website or each website to have a separate MTA. In the past this has meant a dedicated server or a physical gateway.
Technically there should be a Virtual solution. If I can virtually host many sites and many incoming emails on dedicated IP space respective to each domain. There should be virtual MTAs on dedicated or the same respective IP space as the incoming; hence, why I gave the example of how SSL works in Apache with web servers.
Totally get what you are saying on how currently mail works just out the default gateway since there is only one "default" MTA for the "xserve".
Everything is good coming in, but did something somewhere miss the mark on the outgoing? Should be one for one.
Yahoo is the big player putting the foot down or the glass half full people would say setting the mark on how outgoing mail should work when they are accepting emails.
I am not trying to innovate, but rather just follow the rules.
Sure mail out one MTA works no matter how many website you put on the box and it is "good enough for government work" or "looks good from my house".
There are many people struggling with corporate communications (even the concept of corporate communications and marketing) and I think Apple could step up to the plate and help follow the standard of best practices.
I have done research for 10 years and over the past two tested what I know to be true. Then spoke with many businesses that did not understand but had the same issue. . .
Yahoo customers not getting their email communications and email simply not being as good as the old fashion phone call.
So back to your question (fabulous question since every tech asks me the same thing):
{quote}So my question to you is this: why can't you run all your domains on a single server/IP address?{quote}
Because it is no longer 1996 and I want Apple stock to triple!
. . . and that it no longer works for sites conducting a profitable business. We are really underachieving what America could do!
Yahoo! is clearly saying to each business to do business communications or even marketing on separate IPs. Gmail, Hotmail, and the list goes on and on. They all follow the same thing. Yahoo! just happens to be more aggressive and has more good consumers (buyers) using their free email service. Gmail started aliases and could gain market share of buyers.
I need to get Xserve to have one dedicated IP in and out for each independent website whether it is an Apache transaction on port 80 (443 SSL) or an email going out the postfix MTA on port 25 SMTP or any other standard alternative port (587 or 465 SSL) for that matter.
So far everything works as expected, but the SMTP MTA out. One big default gateway per hardware.
We missed the 1% mark. That club that gets it! I would like to see every business owner that buys an Xserve to be in that one percent club out of the box!
Why Rob? Well because it works! Dedicated IPs work. Think about this, if you gave the postman your address and did not include your suite number more than likely your lucky if you get your mail. WORKS the same way for email.
If your business grows you can get a few more until something once again gets abused and they start tracking MAC addresses. By then will have virtual MAC addresses like most routers can already do.
To prevent SPAM you just set the MTA defaults to one IP per website. Let's keep it simple. This way you keep a clean reputation and one reputation per website or business. Most businesses just need one IP and cannot afford a whole server for each website/business. THINK GREEN!!! The email filtering systems (RBLs and filtering rules) already out there will weed abusers out. Let's not hurt the small to medium businesses in the process.
Your not going to get RDNS and dedicated IP space anyhow unless your a real business.

Multiple Domains/Website On Single Hosting Plan

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