Verizon is on DNS Blacklist

Ok, I am a Verizon customer and I am livid with the way Verizon Customer support treats me (us customers).
I own my server (Windows Server 2003). I have over 100 clients and starting last month no one on my server could receive emails from anyone sending an email using a Verizon account. For example. My mother, brother, neighbors and others would send their email using a Verizon email account and send to my personal email account on my server. They’d receive a notice back undeliverable and the reason listed: IP Blacklisted. Then if a person that has Verizon internet and uses their email on my server would send from their Outlook, it would show sent, but where it went no one knew. I’d send an email, watch the mail exchange on my server and it would never show going through.
So, after seeing the return notice about the blacklisted IP address. I did some checking and first I thought my server IP was on the DNS Black list.
Well it’s not my IP blacklisted.
Turned out the DNS Blacklists I have on my server have a ton of Verizon IP blacklisted. So, when someone would send an email using Verizon Internet, the email would be checked against the DNS blacklist on my server, read as spam and kick it back to the person undeliverable with the blacklist notice. Then, I found out if a person that has Verizon internet (like myself)would send an email using their email account on my server, the email would show sent (in their Outlooks) but never go through my server. Again, the DNS blacklist would block the Verizon IP address associated with email and not let it through.
Here is the message they all got back. (My email address and server IP was removed for protection).
Recipient address: [email protected]
Reason: Remote SMTP server has rejected address
Diagnostic code: The IP Address of the sender (206.46.173.7) was
found in a DNS blacklist database and was therefore refused.
Remote system: dns;xxxxxxx.com (TCP|206.46.173.7|9314|XX.XXX.XXX.XX|25)
(mail.xxxx.com ESMTP, Version: 1.986-- ready at 12/10/09 19:05:52)
Now run the IP 206.46.173.7 from the message above (which is a Verizon IP address see below) against a DNS blacklist lookup. This is just one of the Verizon IP addresses I ran.
PTR
206.46.173.7
vms173007pub.verizon.net
24 hrs
Here is what you get:
Blacklist
Status
Reason
Backscatter.org
LISTED
Sorry 206.46.173.7 is blacklisted at Detail
Return codes were: 127.0.0.2
LASHBACK
LISTED
Sender has sent to LashBack Unsubscribe Probe accounts
Return codes were: 127.0.0.2
SORBS-SPAM
LISTED
Spam Received See: Detail
Return codes were: 127.0.0.6
Here are some of the DNS Blacklist checks I use on my server that consider Verizon unsafe and if on a server’s mail exchange will not allow email through or send:
sbl.spamhaus.org
zen.spamhaus.org
spam.dnsbl.sorbs.net - Sorbs is one of the best to use too!
smtp.dnsbl.sorbs.net
spam.abuse.ch
Now the reason I am here on this forum and the reason I wrote all that. I had to turn off the spam checkers and all my clients, including myself and getting creamed with junk mail/spam. It was never, and I mean ever this bad. I used to get maybe one a week.
I have a fair amount of clients that have Verizon as their Internet provider. And, as long as I have the spam checkers enabled they (and I) are screwed. Turn them off (like now) and we are all screwed with unwanted email.
Does anyone know any DNS Black Lists I can add to my server that won’t interfere with Verizon and all their IP Blacklisted?
Oh, before I forget. Why I am livid with Customer Support. These people are complete @#^$%’s. For example: I announced I am a customer and that I am the ADMINISTRATOR. I had these supposed “Techs” tell me 4 times….”Sir, you need to contact your server Administrator!” I spent hours and hours over almost a week trying to get help. NOTHING! Oh, then try to explain that the company you work for has a crap load of IP addresses blocked and they have no idea what you are talking about. I even emailed them the blacklist/abuse department a copy similar to what I wrote above. Never heard a word back.

Hello Scottye...sorry for the tough time, unfortunately this isn't a Verizon issue being as though the blacklisting isn't in house. We aren't blacklisting your IPs...This companies blacklisted your ips. We suggest you contact Sorbs, Backscatter and Lashback directly. You may find this website helpful for SORBS http://www.au.sorbs.net/cgi-bin/support and another SpamHaus http://www.spamhaus.org/lookup.lasso maybe helpful as well.
Constance
Verizon Telecom
Fiber Solution Center
Notice: Content posted by Verizon employees is meant to be informational and does not supercede or change the Verizon Forums User Guidelines or Terms or Service, or your Customer Agreement Terms and Conditions or Plan. Follow us on Twitter™!

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Message Edited by FireFish on 06-02-2009 01:22 AM

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Hello.
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CarlosMT wrote:
In the server I did a telnet to port 25, and I can send a message to the "problem account". When I try in my machine (the same with the client POP), telnet is ok, helo is ok, mail from: is ok, but rcpt to: I put the address and the server takes like 5 minutes to say +250 2.1.5 aa@domain OK+ and I can send the message. => Do you have any DNS blacklist checks or dns lookups or some other fancy access control callouts in your mappings table?
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I tested in another machines with POP clients and the situation is the same.
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I have changed this weekend from a DSL using a Linksys by Cisco WAG54G2 to a Cisco RV220W Small Business Router and just found out the same problem. This is serious for me, for one, it completely destroys SPAM blocking with DNS blacklists.
This is how it looked when using the linksys:
Apr 9 03:18:17 vanroodewierda postfix/smtpd[49507]: connect from 189-041-10-204.xd-dynamic.ctbcnetsuper.com.br[189.41.10.204]
Apr 9 03:18:18 vanroodewierda postfix/smtpd[49507]: NOQUEUE: reject: RCPT from 189-041-10-204.xd-dynamic.ctbcnetsuper.com.br[189.41.10.204]: 554 5.7.1 Service unavailable; Client host [189.41.10.204] blocked using zen.spamhaus.org; http://www.spamhaus.org/query/bl?ip=189.41.10.204; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<189-041-10-204.xd-dynamic.ctbcnetsuper.com.br>
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System log entry

Hey, can anyone tell me if these users have logged into my server and relayed spam mail??
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Aug 3 22:20:19 server postfix/smtpd[18696]: warning: 104.79.74.216.relays.ordb.org: RBL lookup error: Host or domain name not found. Name service error for name=104.79.74.216.relays.ordb.org type=A: Host not found, try again
Aug 3 22:21:23 server postfix/smtpd[18696]: warning: 52.73.18.116.relays.ordb.org: RBL lookup error: Host or domain name not found. Name service error for name=52.73.18.116.relays.ordb.org type=A: Host not found, try again
Aug 3 22:24:01 server postfix/smtpd[18813]: warning: 179.203.216.63.relays.ordb.org: RBL lookup error: Host or domain name not found. Name service error for name=179.203.216.63.relays.ordb.org type=A: Host not found, try again
Aug 3 22:24:26 server postfix/smtpd[18813]: warning: 216.219.30.69.relays.ordb.org: RBL lookup error: Host or domain name not found. Name service error for name=216.219.30.69.relays.ordb.org type=A: Host not found, try again
Aug 3 22:28:31 server postfix/smtpd[18949]: warning: 158.22.51.72.relays.ordb.org: RBL lookup error: Host or domain name not found. Name service error for name=158.22.51.72.relays.ordb.org type=A: Host not found, try again

I believe that sbl-xbl.spamhaus.org is being phased out and replaced with zen.spamhaus.org.
I use the following dns-blacklists (in this order - order does matter):
zen.spamhaus.org
bl.spamcop.net
dnsbl.sorbs.net
list.dsbl.org
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Not receiving email alerts from my bank

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Telcoguru wrote:
The bank's IP address might be blacklisted on Verizon's network. Does the bank get back any replies saying that the email to you did not go through?
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TS3297 Does anyone know how to fix a problem where iTunes store previews (just music, not movies) stop after anywhere between 9 and 13 seconds of playback?

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The following post from wunbadapple fixed my preview issue. May want to try it.
Re: itunes store song previews now less than 10 seconds
created by wunbadapple in iTunes for Windows - View the full discussion
Well I think I fixed it, but with Apple you can never be sure. Just previewed 5 songs and all previewed ok. I reviewed the thread above and some other related threads and all seemed to reference DNS at some point. So I changed my DNs provider in Windows
Network connections->properties->IPV4->properties-> Primary DNS = 8.8.8.8 and secondary DNS = 4.2.2.1 .
Primary is the Google DNS server, secondary is the old old old VZ DNS (used to be GTE I think). My default was Verizon's Fios DNS. 8.8.4.4 and 4.2.2.2 are other google and VZ servers if you want the same provider for primary and secondary. I split them in case one has issues.
Then DOS CMD: ipconfig /flushdns
This seemed to resolve the issue, but can't be sure something in Apple servers, etc didn't change. I am wondering if there is something evil in the iTunes Store VZ FIOS DNS interaction, but can't be sure. At least worth a shot if you still have the issue. Ironic the google DNS servers fixed an issue with Apple.

Apple Mail Inbox Lost

At work we just switched from one email ISP to another due to a DNS blacklist for the old one. When we switched to the new email server and the settings were configured for the new mailbox, my boss lost all of his Apple mail that was on the old server. Is there a way to recover this? I was just checking his settings, and he did not have Mail activated in iCloud. I feel like we had this happen once before, but I'll be darned if I can remember how it was resolved.

You’re welcome.
According to what you said in your first post, this happened as a result of downloading your mail on the iPhone. I have no idea how the iPhone works or what its capabilities are, but are you sure your .Mac account is set up as IMAP there as well and not as POP?
Mail stores most preferences and all the account settings in ~/Library/Preferences/com.apple.mail.plist (except the passwords, which are stored in the keychain). Everything else, including all your messages and mailboxes, is stored in ~/Library/Mail/.
Similarly, Address Book (whose data you should back up as well) stores the settings in ~/Library/Preferences/com.apple.AddressBook.plist and the data in ~/Library/Application Support/AddressBook/.
These files can be backed up just like any other data files. The affected applications shouldn’t be running while making the backup.
Actually, while you’re at it, you might as well back up your entire home folder...
For IMAP accounts, if Mail > Preferences > Accounts > Advanced > Keep copies of messages for offline viewing is set to All messages and their attachments, Mail keeps a local copy of those messages on your hard disk that becomes part of any backup that includes the ~/Library/Mail folder.
Note: For those not familiarized with the ~/ notation, it refers to the user’s home folder. That is, ~/Library is the Library folder within the user’s home folder, i.e. /Users/username/Library.

Mail problem with some IMAP accounts - login fails, Thunderbird OK

After upgrading to Mountain Lion Mac Mail fails to connect to some of my IMAP accounts. I tried everything I can think of. The problem is, the accounts work fine with Thunderbird. However, one of my IMAP accounts works with my main user account's settings (it was imported from my Lion set up), but it fails to set up with a second user. It seems to me that using IMAP with my provider and the Mountain Lion Mail is not working.
Rebooting my saved Lion installation confirmed that it still works...
Installing said accounts with Thunderbird and IMAP also works.
Login with Mac Mail and POP using the accounts also works, webmail works, iOS works, a freshly set up Gmail account with IMAP works ....
ONLY the damned Mountain Lion Mail program doesn't work with my mail provider's IMAP. WHY? WHAT CAN I DO?
Any insights or ideas?
Output in connection doctor:
WROTE Feb 07 17:32:52.543 [kCFStreamSocketSecurityLevelTLSv1SSLv3] -- host:imap.hispeed.ch -- port:143 -- socket:0x7fe2358443c0 -- thread:0x7fe23538d420
4.105 AUTHENTICATE PLAIN
READ Feb 07 17:32:52.591 [kCFStreamSocketSecurityLevelTLSv1SSLv3] -- host:imap.hispeed.ch -- port:143 -- socket:0x7fe2358443c0 -- thread:0x7fe23538d420
+
here it hangs and no further communication seems to take place.
TIA
Peter.

CarlosMT wrote:
In the server I did a telnet to port 25, and I can send a message to the "problem account". When I try in my machine (the same with the client POP), telnet is ok, helo is ok, mail from: is ok, but rcpt to: I put the address and the server takes like 5 minutes to say +250 2.1.5 aa@domain OK+ and I can send the message. => Do you have any DNS blacklist checks or dns lookups or some other fancy access control callouts in your mappings table?
=> Check your directory server access logs and see what the etime is for searches for "aa@domain". Are there any "notes=U" entries?
=> Consider when this problem first started happening -- did anything change in your environment, or break (networking/DNS/SAN ....), is anything else running slow (user logins etc.)?
=> What is different about the users that 'work' vs the users that don't work? Are they in different domains, do they have forwarding enabled, vacation message... so on?
I tested in another machines with POP clients and the situation is the same.
I stopped the server, delete the /store/mboxlist/*.log, started again, reconstruct the account with the problem, reconstruct -r for all, and nothing.If you are having problems sending email, then the problem is unlikely to have anything to do with store database. This will be MTA related.
We have a firewall in the middle, but I can send to some boxes normally, I don�t believe this is the problem. => I have an innate distrust of firewalls as they have caused so many problems in the past for other customers. Are you able to configure an email client to send directly to messaging server and bypass the firewall -- just to remove this as a potential cause?
Regards,
Shane.

Verizon is on DNS Blacklist

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