Lost SMTP Authentication along the way
At work we have our OS X mail server set to require smtp authentication. This works from within the network. However, once you go off the network, you can no longer send mail if you use smtp authentication. If you set up your smtp settings to not use authentication however, it works fine. This is a huge security hole for us. What could possibly be causing this?
I am able to send to my own email domain without authentication, but am unable to send from off my domain, to off my domain with or without authentication. Here is my postconf -n
alias_maps = hash:/etc/aliases,hash:/var/mailman/data/aliases
command_directory = /usr/sbin
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
daemon_directory = /usr/libexec/postfix
debugpeerlevel = 2
enableserveroptions = yes
html_directory = no
inet_interfaces = all
localrecipientmaps = proxy:unix:passwd.byname $alias_maps
luser_relay =
mail_owner = postfix
mailboxsizelimit = 0
mailbox_transport = cyrus
mailq_path = /usr/bin/mailq
manpage_directory = /usr/share/man
mapsrbldomains =
messagesizelimit = 0
mydestination = $myhostname,localhost.$mydomain,list.solon.k12.ia.us,solon.k12.ia.us,localhost
mydomain = solon.k12.ia.us
mydomain_fallback = localhost
myhostname = solon.k12.ia.us
mynetworks = 127.0.0.0/8
mynetworks_style = host
newaliases_path = /usr/bin/newaliases
ownerrequestspecial = no
queue_directory = /private/var/spool/postfix
readme_directory = /usr/share/doc/postfix
recipient_delimiter = +
sample_directory = /usr/share/doc/postfix/examples
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtpdclientrestrictions = permit_mynetworks rejectrblclient sbl-xbl.spamhaus.org rejectrblclient relays.ordb.org rejectrblclient list.dsbl.org permit
smtpdpw_server_securityoptions = login
smtpdrecipientrestrictions = permitsasl_authenticated,permit_mynetworks,reject_unauthdestination,permit
smtpdsasl_authenable = yes
smtpdtls_keyfile =
smtpduse_pwserver = yes
unknownlocal_recipient_rejectcode = 550
virtualmailboxdomains =
virtual_transport = virtual
Similar Messages
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What is the default key command for THE COMMAND (apple) key? I seem to have changed it somehow along the way and now when I push the command key (only) it hides all open windows and shows the desk top and when I push it again it shows all windows again...I need to return to default A.S.A.P. just this one key...Any ideas? Thanks in advance...
Go to
> System Preferences > Keyboard
Click on the 'Keyboard' tab and hit the 'modifier keys...' button. You can see and change the defaults there.
As I'm not sure if all the labels are the same in Lion, he's a screenshot from Snow Leopard. It should be similar enough: -
A day ago I updated my iPhone4 to io5 and iTunes update as well. I use windows7 (64bit). now iTunes freezes at open and I have to force it closed. Anythng I missed along the way?
Many thanks.
With those symptoms, I'd try the following document:
Apple software on Windows: May see performance issues and blank iTunes Store
(If there's a SpeedBit LSP showing up in Autoruns, it's usually best to just uninstall your SpeedBit Video Accelerator.) -
Somewhere along the way my App Store got switched to the u.s.a. Instead of Canada, how do I get it back to Canada? I'm on an. iPad.
Solved the problem thanks!
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Hi. I wannt to upgrade from 10.4.11 to 10.7.
What are the steps and do I also need to pay for 10.5 and 10.6 along the way?
According to the 10.7 lion page on 'store' it says that you need 10.6 to use it does this mean I'm going to have to do 3 upgrades?
ThanksWhy do yoy want Lion/10.7???
Anyway, if your Mac meets the requirements you can skip 10.5.x, and even 10.6.x if you can afford to erase all your data.
Snow Leopard/10.6.x Requirements...
General requirements
* Mac computer with an Intel processor
* 1GB of memory (I say 4GB at least)
* 5GB of available disk space (I say 30GB at least)
* DVD drive for installation
* Some features require a compatible Internet service provider; fees may apply.
* Some features require Apple’s MobileMe service; fees and terms apply.
Which apps work with Mac OS X 10.6?...
http://snowleopard.wikidot.com/
It looks like they might still have it...
http://store.apple.com/us/product/MC573Z/A?fnode=MTY1NDAzOA
If it's a core Duo & not a Core2Duo, then it'll only run in 32 bit mode.
Lion/101.7 System requirements
• x86-64 processor (Macs with an Intel Core 2 Duo, Intel Core i3, Intel Core i5, Intel Core i7, or Xeon processor.)
• At least 2GB of memory[14]
• Latest version of Mac OS X Snow Leopard (10.6.8), with the Mac App Store installed
• At least 4GB of disk space for downloading[14]
Like Snow Leopard, Lion does not support PowerPC-based Macs (e.g., Power Macs, PowerBooks, iBooks, iMacs (G3-G5), eMacs).
Lion also does not support 32-bit Intel Core Duo or Core Solo based Macs. Rosetta is no longer available in Lion, which means Lion no longer supports PowerPC applications.
http://en.wikipedia.org/wiki/Mac_OS_X_Lion#System_requirements
http://www.apple.com/macosx/how-to-buy/
What applications are not compatible with Mac OS X 10.7 "Lion"?
http://ow.ly/5Iz09
http://roaringapps.com/apps:table -
Dear iPad Wizards,
I am a beginner. I have an ipad and I need to upgrade to ISO 5 and I have purchased APPS on my iPad. All the warning are scaring me. Right now all of my sync square buttons are not turned on. One of the warnings says I will loose my apps if I don't transfer them. I did that (with another warning). Then it said to back up the iPad, which I did. Heck all I want to do is upgrade my version correctly. It then makes a statement that is something like when you are updating your version, make sure you have all your apps sync set normal, but when I do that it says you will loose all apps, but what the heck is normal (I say at this point). So, since I am so lost and don't know what to do, do I just chuck it up to a learning experience because if I now restore everything after I do the update it seems that it will restore the old ISO...Am I correct. I was just really thrown for a loop with that statement that is highlighted and I am still no where except backed up and apps purchased transfered to itunes. Anybody else in the world ever have this happen to them? I am truly thankful for anyone who might be able to help me. I am thankful in advance if anyone understands this email. Looking forward to someone who understand.
With Many Thanks
8infinity8To update to iOS 5.1.1, connect the iPad to your computer's iTunes and copy any purchases off the iPad to your computer via File > Transfer Purchases - you may also want to copy photos and any important documents off the iPad as well e.g. via the file sharing section at the bottom of the device's apps tab when connected to iTunes, via wifi, email, dropbox etc - they should be included in the backup, but it's best to have a copy of them outside of the backup just in case. You can then force a backup of the iPad by right-clicking the iPad 'Device' on the left-hand side of iTunes and selecting 'Backup'.
You can then start the update by selecting the iPad on the left-hand side of iTunes, and on the Summary tab on the right-hand side clicking the Check For Updates button.
Updating to iOS 5+ : http://support.apple.com/kb/HT4972 -
I'm an Apple newbie.
I'd like to be able to list each file in the "Desktop" tree (ie; on the desktop, or in any folder on the desktop, etc.), along with its path, that has been modified since a certain date.
When I use Finder to do a similar search, I get tons of output including every folder in the path to the modified file, etc. Although I can view the path to the individual files in the output, I can't for example, order the output by path, etc. Very difficult to sort through. I'd love to have output like the example above - just the filename and path for each changed file. Possible? Thanks in advance!
WayneThe file structure is a little complex. I will use inbox as an example.
Inbox (a large file with no file extension)
Inbox.msf ( An index of inbox with tags etc. Can be deleted with only loss of tags)
Inbox.sdb (a folder, indicating that the folder within Thunderbird has a sub folder.
POP mail is stored in
Appdata/Roaming/Thunderbird/Profiles/*.default/Mail/[Server name]/
Local folder is stored in
Appdata/Roaming/Thunderbird/Profiles/*.default/Mail/Local Folders/
As long as you do not overwrite, you can copy and paste whole folder trees into local folders (stuff on your old computer under a mail account is best relocated to local folder and then sorted as necessary afterwards.
Note that you should delete foldertree.json after making those sorts of copies (it forces a full refresh of the folder tree, no cache) and under no circumstances copy data with Thunderbird running. It can irrevocably corrupt things -
Just migrated from Panther to Tiger, but Photoshop died along the way.
I finally made the jump to 10.4.10 with Archive & Install. So far, all the big applications I've tried have worked flawlessly except for the heavyweight. Photoshop did not survive.
When I open the Photoshop 7 folder, instead of finding the application, there's a generic document icon instead, and nothing to open it with. Same for the ImageReady application also found there. Get Info says it is an application, but I can't get it to open.
I tried recopying the entire folder from a backup image of the HD, with the same results. Matter of fact, if I browse the backup (on a FW external HD), the application also shows up as a document icon.
Is there any way to use Photoshop 7.0.1 in MacOS 10.4.10?
Thanks.You might try uninstalling PS 7 and then reinstalling it fresh from the installer disc(s). However, I would be surprised if it worked with Tiger. That version was released around three years before Tiger was first released.
Uninstalling Software: The Basics
Most OS X applications are completely self-contained "packages" that can be uninstalled by simply dragging the application to the Trash. Most applications create preference files which are stored in the /Home/Library/Preferences/ folder. Although they do nothing once you delete the associated application, they do take up some disk space. If you want you can located them in the above location and delete them, too.
Some applications may install an uninstaller program that can be used to remove the application. In some cases the uninstaller may be part of the application's installer, and is invoked by clicking on a Customize button that will appear during the install process.
Some applications may install components in the /Home/Library/Applications Support/ folder. You can also check there to see if the application has created a folder. You can also delete the folder that's in the Applications Support folder. Again, they don't do anything but take up disk space once the application is trashed.
Some applications may install a startupitem or a Log In item. Startupitems are usually installed in the /Library/StartupItems/ folder and less often in the /Home/Library/StartupItems/ folder. Log In Items are set in the Accounts preferences. Open System Preferences, click on the Accounts icon, then click on the LogIn Items tab. Locate the item in the list for the application you want to remove and click on the "-" button to delete it from the list.
If an application installs any other files the best way to track them down is to do a Finder search using the application name or the developer name as the search term.
There are also several shareware utilities that can uninstall applications:
AppZapper
CleanApp
Yank
SuperPop
Uninstaller
Spring Cleaning
Look for them at www.versiontracker.com or www.mackupdate.com.
For more information visit The XLab FAQs and read the FAQ on removing software. -
Setting up Maverick Server: hiccoughs along the way
Hi I'm trying to set up Mavericks Home Server. I'm a server novice. It is a rather time consuming and frustrating process. It is by no means something an average domestic computer user should consider, despite the apple blurb that makes it sound easy. OK enough rant (I'm clearly frustrated and have put in many unproductive hours with this)
I have bought a new mac mini, and followed Terry Walsh's guide (it was partly its availablitly that convinced me to take the plunge). I have set up a domain name, SSL certificate, and 6 network users. I have two problems. I don't know if they are related.
On a client I can log into one of the network user accounts, but then when i log out and try to log into another user, I get an error message saying the user account home folder "isn't in the usual place' - it lets me log into the account but with lots of ?? down in the dock.
I also noticed in the alerts section on the server that there was a reverse DNS problem (host name doesn't match computer name or something..? this might affect users ...). I have a dynamic IP address and an update client from dyndns which seems to work.
Any help would be much appreciated. Thanks so muchThen you've misunderstood me and extended the point about using DynDNS as a service to resolve a registered DNS name to a dynamic IP and confused it with the discussion about setting up properly an internal DNS server and DNS namespace.
"with the use of dynamic DNS as the server's own DNS and the lack of proper local reverse translations" - excuse me but where did I make such a statement? Sorry, but it seems to me you have a bit of a fixation on 'dynamic DNS'. Did you read the multiple posts where I was getting to check that his forward and reverse lookups on his local DNS were working? Where was I talking about using "dynamic DNS" for reverse lookups??
I'm going to have to disagree with your statement "but this dynamic DNS configuration does not work properly for OS X Server local DNS services." because you are being misleading and again making the assumption of mixing external with internal DNS. And again I did not make such a statement - you interpreted it as such because again, it seems to me, you have a thing about DynDNS (from your website).
You and I both know about the need for the OS X DNS server to be correct & authoritative for the domain in the network space it's sitting in - which is usually private. That domain could either be something bogus like - "mydomain.some_tld_we_hope_is_never_taken_for_the_internet" or an Internet legal domain like "example.org". If one uses an Internet legal domain like 'example.org' then as long as the OS X DNS server stays authoritative for DNS for that only inside the LAN (which it has to) there is no issue. There is no issue using the OS X DNS server in a split-horizon setup.
In the situation where one has a registered domain name (me) I use DynDNS to provide public Internet name resolution for that registered domain name. Perfectly OK and functional way to work. You need to be more clear about the distinction between public, Internet, name resolution and internal (LAN) name resolution.
"You don't have a registered domain name. You've (technically) acquired permission to use a subdomain (usually as a host name) from the organization that registered whichever dyndns domain you're using." What do you base that on? The OP has never shared his domain name so how do you know what he's got??
"If you're using dynamic DNS, you're probably also on a dynamic IP address". Sorry but I'm going to have to say that you are confusing things even further. You jump from 'dynamic DNS' (which really you need to clarify what you mean by that phrase) to dynamic IP when we are talking about DNS inside his - static - LAN address range. If you are meaning "if you're using the DynDNS service to dynamically update DNS records for your Internet domain when your site's dynamic IP address changes" well obviously that is self-evident. However in the previous paragraph you stated the OP "don't have a registered domain name". You can't have it both ways.
The OP - for his home network - is not trying to have a "dynamic DNS" for his internal network but a 'static' authoritative DNS.
Also you seem (??) to be making the assumption that the OP is going to go out and buy a fixed IP from his ISP - I doubt it.
"I'm also going to disagree with FromOZ on the use of forwarders — those add an extra hop, and — unless you're using DNS-level logging or a DNS-based network nanny filter — don't really contribute much to the whole configuration when you're running a real DNS server. With OS X Server, you really want to run DNS on your local network, too." Again you mix two concepts and confuse things.
No forwarders - well then you better tell Apple to remove the option for Forwarders from DNS settings in OS X server. They mustn't know what they are talking about.
"those add an extra hop" - please... as if the OP is going to going to notice that. Anyway the ISP is likely going to have 99.99% of the queries the OP's network wants cached on their DNS servers already, so actually it will be less hops because the OP's DNS server is not going to have to do recursion queries of the whole DNS chain to resolve addresses.
"With OS X Server, you really want to run DNS on your local network, too" ?? nowhere in the whole discussion thread have I made the statement "you must not run an (authoritative) DNS server on your local network" in fact the opposite was the case, I was helping the guy to make sure his local DNS was properly setup to serve local (authoritative).
Sorry, but I really have to say that you really added confusion to the discussion in your last post.
I think the OP is best served by purchasing a solid reference book - which is why I have been regularly pointing him to the volume which is specifically about OS X Mavericks Server. -
Time Machine v.1 lost file folder names all the way back to "the beginning of time"
I was experiencing some increasingly erratic system problems with my White 2006 iMac running OS 10.5.8. My guess is that these problems were due to power outages cutting power to the iMac while it was in use.
- I tried Disk Utility from the Install Disk and it cleaned the HD but when I ran Verify Disk from Disk Utility off the HD it reported errors and I continued having problems.
-- I decided to wipe the HD and reinstall everything.
--- The first thing I did was backup with Time Machine v.1 and then disconnect the backup drive.
--- After reloading the OS and upgrades I ran Verify Disk from Disk Utility off the HD and it reported no errors.
---- Skipping all the headache a reinstall entailed ... I reloaded my files from the external backup drive Time Machine backups by grabbing the folders and pulling them to the cleaned HD.
----- I found large portions of files names missing. They look to be exclusively file names starting with a number that I use to order files ( 01. , 02. , 03. ... etc) as opposed to alphabetical listing.
----- These files - so far - are all located on a single folder branch. Meaning: as I follow the folder tree down I get to a list of project folders and some or all are missing everything but the starting number. I wrote this off as something to do with the hard drive operation problem but ...
------ ... all the same backup folders in Time Machine on my Seagate GoFlex have also lost their names all the way back for 2 years, when I started using Time Machine and the GoFlex.
------ I know for a for a fact the folder names were intact before I cleaned the iMac HD since I regularly use those files.They aren't what they appear to be on the TM, most are aliases to aliases to aliases when files are changed, I think only TM understands how/where the files are actually stored.
Later versions of the OS with Restore Partitions can Restore also
Do run DU on the TM drive... it certainly can't hurt at this point.
I recommend cloning your drives instead of TM, not only can you copy files/folders over if needed, you can actually boot from your backup & continue working, or even clone back to the Internal...
Get carbon copy cloner to make an exact copy of your old HD to the New one...
http://www.bombich.com/software/ccc.html
Or SuperDuper...
http://www.shirt-pocket.com/SuperDuper/
Or the most expensive one & my favorite, Tri-Backup...
http://www.tri-edre.com/english/tribackup.html -
Send Email SMTP Authentication not working
Hello,
I have the following Problem, I want to send E-mail via the Send Email Activity to Mailing Lists/Group. But the authentication doesn't work, the Exchange says I dont have the needed permissions. I have filled all the Data into Advanced -> SMTP authentication.
The strange thing it works with the same Account if it is used inside the Service Manager.
We use Exchange 2010 & Orchestrator 2012 SP1.
Regards,
JanHi,
perhaps the Runbook Service account or IP address have no rights as relay at the Exchange-SMTP (?).
I suggest to test at the Runbook Server(s) via telnet:
http://support.microsoft.com/kb/153119
Regards,
Stefan
www.sc-orchestrator.eu ,
Blog sc-orchestrator.eu -
Messaging Server 6.0p1
We've run into a problem with the SMTP component of the MMP. Specifically with regards to SMTP authentication.
The messaging server is sending out AUTH=LOGIN and AUTH PLAIN LOGIN options to the client in the ESMTP negotiation even when the SMTP client is listed as INTERNAL in the mappings file.
Consider the 4 scenarios:
1. Connecting directly to the messaging server SMTP from outside of the Intranet.
external.hostname# telnet smtpserver.hostname 25
Trying 1.2.3.4...
Connected to smtpserver.hostname.
Escape character is '^]'.
220 smtpserver.hostname -- Server ESMTP (Sun ONE Messaging Server 6.0 Patch 1 (built Jan 28 2004))
EHLO external.hostname
250-smtpserver.hostname
250-8BITMIME
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-EXPN
250-HELP
250-XADR
250-XSTA
250-XCIR
250-XGEN
250-XLOOP 1CB2DE93C0A60C457A290686F164049E
250-AUTH PLAIN LOGIN
250-AUTH=LOGIN
250-ETRN
250 SIZE 0
AUTH PLAIN XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
235 2.7.0 PLAIN authentication successful.
QUIT
221 2.3.0 Bye received. Goodbye.
Connection to smtpserver.hostname closed by foreign host.
external.hostname#
As you can see, the messaging server responds with the AUTH PLAIN LOGIN and AUTH=LOGIN. The SMTP authentication is successful. This is the correct behavior.
2. Connecting to the MMP SMTP from outside of the Intranet.
external.hostname# telnet mmp.hostname 25
Trying 1.2.3.5...
Connected to mmp.hostname.
Escape character is '^]'.
220 ESMTP Messaging Multiplexor (Sun ONE Messaging Server 6.0 Patch 1 (built Jan 28 2004))
EHLO external.hostname
250-smtpserver.hostname
250-8BITMIME
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-EXPN
250-HELP
250-XLOOP 1CB2DE93C0A60C457A290686F164049E
250-AUTH PLAIN LOGIN
250-AUTH=LOGIN
250-ETRN
250 SIZE 0
AUTH PLAIN XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
235 2.7.0 PLAIN authentication successful.
QUIT
221 2.3.0 Bye received. Goodbye.
Connection to mmp.hostname closed by foreign host.
external.hostname#
Just as in example #1, the MMP responds with the AUTH PLAIN LOGIN and AUTH=LOGIN. Like example #1, the SMTP authentication is successful. This is the correct behavior.
3. Connecting directly to the messaging server SMTP from inside the Intranet.
internal.hostname# telnet smtpserver.hostname 25
Trying 1.2.3.4...
Connected to smtpserver.hostname.
Escape character is '^]'.
220 smtpserver.hostname -- Server ESMTP (Sun ONE Messaging Server 6.0 Patch 1 (built Jan 28 2004))
EHLO internal.hostname
250-smtpserver.hostname
250-8BITMIME
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-EXPN
250-HELP
250-XADR
250-XSTA
250-XCIR
250-XGEN
250-XLOOP 1CB2DE93C0A60C457A290686F164049E
250-ETRN
250 SIZE 0
AUTH PLAIN XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
533 5.7.1 AUTH command is not enabled.
QUIT
221 2.3.0 Bye received. Goodbye.
Connection to smtpserver.hostname closed by foreign host.
internal.hostname#
This time, because the client is on the intranet, the AUTH PLAIN LOGIN and AUTH=LOGIN ESMTP options are not presented to the client. The attempt to perform SMTP authentication fails. This appears to be the correct behavior, as the server didn't advertise as supporting SMTP authentication.
4. Connecting to the MMP SMTP from inside the Intranet.
internal.hostname# telnet mmp.hostname 25
Trying 1.2.3.5...
Connected to mmp.hostname.
Escape character is '^]'.
220 ESMTP Messaging Multiplexor (Sun ONE Messaging Server 6.0 Patch 1 (built Jan 28 2004))
EHLO internal.hostname
250-smtpserver.hostname
250-8BITMIME
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-EXPN
250-HELP
250-XLOOP 1CB2DE93C0A60C457A290686F164049E
250-AUTH PLAIN LOGIN
250-AUTH=LOGIN
250-ETRN
250 SIZE 0
AUTH PLAIN XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
533 5.7.1 AUTH command is not enabled.
QUIT
221 2.3.0 Bye received. Goodbye.
Connection to mmp.hostname closed by foreign host.
internal.hostname#
This time, even though the client is within the intranet, the AUTH PLAIN LOGIN and AUTH=LOGIN ESMTP options are presented to the client. Even though these options are presented to the client, the server refuses to honor authentication attempts. The attempt to perform SMTP authentication fails. THIS IS A BIG PROBLEM!
The implecation is that SMTP clients within the intranet that honor the SMTP authentication ESMTP options presented by the server ALWAYS fail to authenticate.
Netscape 4.x clients, when they see the AUTH=LOGIN and AUTH PLAIN LOGIN options force the user to authenticate. Netscape 7.x at least has a checkbox that gives the user the option to ignore these options and attempt to send anyway. It's now impossible for all of the Netscape 4.x mail clients within the intranet to send mail.
The correct behavior is that the AUTH PLAIN LOGIN and AUTH=LOGIN options should NOT be presented to the intranet clients. I have made every attempt to ensure that our configuration is correct. I believe this is a bug with the Messaging server but I'm posting here in hopes that someone knows what specific changes I can make to the mappings or imta.cnf files that will prevent the Messaging server to present these options to clients through the MMP.
Netscape 7.x clients within the intranet that have been configured to ignore the AUTH smtp ESMTP options can send mail to both local and remote recipients.Before even looking at your data. . .
We've run into a problem with the SMTP component of the MMP
There is EXACTLY ONE reason to use the SMTP componant of MMP: POP before SMTP
If you have ANY other need for smtp, you should use the entire MTA. That's what it's for.
Actually, it looks like your scenario 3 isn't connecting to the correct MTA at all. The banner should be the same as you got for the other cases. You're sure you didn't start sendmail up by accident? -
Is there any way of exporting a clip (example 1 hour) into 4 seperate 15 min clips at the same time? Or does anyone have any ideas along the same lines to save time? Add my skype baconhousevidz if you can help or are unsure of what im asking
thanks everyoneBaconHouseVidz wrote:
… at the same time…
in hope to speed things up?
no, no effect. -
try
MailMessage mail = new MailMessage();
SmtpClient SmtpServer = new SmtpClient("smtp.gmail.com");
mail.From = new MailAddress("[email protected]");
mail.To.Add("[email protected]");
mail.Subject = "Test Mail..!!!!";
mail.Body = "mail with attachment";
System.Net.Mail.Attachment attachment;
attachment = new System.Net.Mail.Attachment(@"C:\Attachment.txt");
mail.Attachments.Add(attachment);
SmtpServer.Port = 587;
SmtpServer.UseDefaultCredentials = true;
SmtpServer.Credentials = new System.Net.NetworkCredential("userid", "Password");
SmtpServer.EnableSsl = true;
SmtpServer.Send(mail);
Catch(Exception exception)
When i m run this part of code it throw an Ecxeption
Given Below is the Error..
The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required.
Bikky Kumartry
MailMessage mail = new MailMessage();
SmtpClient SmtpServer = new SmtpClient("smtp.gmail.com");
mail.From = new MailAddress("[email protected]");
mail.To.Add("[email protected]");
mail.Subject = "Test Mail..!!!!";
mail.Body = "mail with attachment";
System.Net.Mail.Attachment attachment;
attachment = new System.Net.Mail.Attachment(@"C:\Attachment.txt");
mail.Attachments.Add(attachment);
SmtpServer.Port = 587;
SmtpServer.UseDefaultCredentials = true; ///Set it to false, or remove this line
SmtpServer.Credentials = new System.Net.NetworkCredential("userid", "Password");
SmtpServer.EnableSsl = true;
SmtpServer.Send(mail);
Catch(Exception exception)
Given Below is the Error.. The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.5.1 Authentication Required.
Solution:
The error might occur due to following cases.
case 1: when the password is wrong
case 2: when you try to login from some App
case 3: when you try to login from the domain other than your time zone/domain/computer (This
is the case in most of scenarios when sending mail from code)
There is a solution for each
solution for case 1: Enter the correct password.
Recomended: solution for case 2: go to
security settings at the following link https://www.google.com/settings/security/lesssecureapps and
enable less secure apps . So that you will be able to login from all apps.
solution 1 for case 3: (This might be helpful) you need to review the activity. but reviewing the activity will not be helpful due to latest security
standards the link will not be useful. So try the below case.
solution 2 for case 3: If you have hosted your code somewhere on production server and if you have access to the production server, than take remote
desktop connection to the production server and try to login once from the browser of the production server. This will add exception for login to google and you will be allowed to login from code.
But what if you don't have access to the production server. try
the solution 3
solution 3 for case 3: You have to enable
login from other timezone / ip for your google account.
to do this follow the link https://g.co/allowaccess and
allow access by clicking the continue button.
And that's it. Here you go. Now you will be able to login from any of the computer and by any means of app to your google account.
Regards,
Nabeel Arif -
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Everyone who logs into Facebook on my Firefox has this problem however if we use Internet Explorer - facebook looks normal.If you have increased the minimum font size then try the default setting "none" as a high value can cause issues like you described.
* Tools > Options > Content : Fonts & Colors > Advanced > Minimum Font Size (none)
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