Mail Bounced Only Via One Server
Apr 27, 2007
Sometimes my clients tell me that they cannot send email but they can receive, i didn't know what was going on untill i got this:
Can't send to ''. The server gives this reason: '550 Blocked - see [url].
Of course i know what this is, the IP my provider gives me at random every two days or so is blocked for sending spam even though i did not do it, well, i asked for removal of the ip from the abuseat.org site BUT!
The thing is, I CAN STILL send email from other pop3 accounts on the same machine to the same adress but using different servers that the one on my server with layeredtech, ie. my provider email address...
So i was wondering if the server email program (exim) on my server it's checking the blacklists as an option? so i could remove it?
thanks this is very important for my business since our provider does not give us a static IP.
Am using CentOS 4.4 i686 WHM 10.8.0 cPanel 10.9.0-S9966
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Jul 25, 2008
I'm an IT administrator for a school and due to high amounts of spam and a shrinking budget, I've built a mail server with Slackware 11 as the OS and running Sendmail 8.14.2.
The email was working great for about a week when suddenly emails from the sever were being bounced. When I look at the bounced emails I notice this.
The original message was received at Mon, 21 Jul 2008 16:59:54 -0600 from IDENT:2@localhost [127.0.0.1]
What I'm guessing is that when a server receives our emails they see the 2@localhost [127.0.0.1], thinks it's spam and bounces it back to us.
I believe that I need to tweak the sendmail.cf file but I'm not too sure what I need to tweak. Here are some of the things I've tried so far.
In the sendmail.cf file I added servername.domainname.com to Cw localhost
Used the Masquerade options with no luck.
In a different forum someone said to edit the /etc/hosts file from this:
127.0.0.1 localhost
10.0.0.12 servername.domainname.com
to this:
10.0.0.12 servername.domainname.com
127.0.0.1 localhost
Which didn't help. Since DNS is being handled by another server, it was suggested that I edit the /etc/nsswitch.conf file so that the dns option was removed from the hosts: line. That didn't work either.
Right now I'm fairly confident that it's something I have to change in the .cf file but as I said earlier I'm not too sure what.
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Aug 17, 2007
I am managing a newsletter list and would like to remove the email addresses of messages that have failed or bounced.
I have been sending my newsletter with inhouse software that bundles email in the bcc field. As a result each bounced email lists multiple bounced emails in the body of the returned email.
I have found software that can automatically go through an inbox and make a list of all the bounces however this only works when the bounced emails show up in the email field.
Is there any way that I can retrieve a list of bounced email addresses without manually opening each email and getting the address?
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Jun 20, 2008
Is anyone else having a large number of Comcast email addresses being bounced back?
We found that it started two weeks ago and is spreading to other Comcast addresses that were previously working.
If you have received info on this or if it is happening to your network as well,
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May 19, 2007
I setup mail piping with Exim so that e-mails sent to a specific account be forwarded to my PHP script. It's not working properly, because when I send a mail to this account, it's bounced by the mailer daemon:
Code:
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
pipe to |/home/user/public_html/support/parse.php
generated by support@mydomain.com
local delivery failed
In my /etc/valiases/domain.com file I have:
Code:
support@mydomain.com: "|/home/user/public_html/support/parse.php"
*: :blackhole:
What can be causing the error?
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Jul 2, 2008
I getting this error when our clients are sending mail from outlook but they are able to send mail from webmail.
we are using exim mail server and whm . i can't understand where is problem , anybody can help me ?
Sending' reported error (0x800CCC6A) : 'Your
outgoing (SMTP) e-mail server has reported an internal error. If you
continue to receive this message, contact your server administrator or
Internet service provider (ISP). The server responded: 451 Please try again
later.
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May 22, 2009
We have been having some problems with one of our mail servers lately. Server is running Smarter Mail 4.x with declude.
Some spammers have been targeting this particular to send spam through this server. This putting lot of load on the server because declude is processing the SPOOL in Smarter Mail and spool goes upto 2000-20000 during the day. We have been checking the headers and blocking the IP's continuously of these spam but these people are using dynamic ip's. And it doesn't seem like single spammer. Content is quite different.
Blocking full ranges of certain IP Range helps though but then lot of legitimate mail is getting blocked as well.
Is there any good suggestion or a serious mail server admin who can have a look and actually sort it.
This is causing serious delays on our mail delivery through this mail server.
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