I just moved a server from an outside service, it is now in-house. Nothing has changed, only the location of the server.
After the move, my users are getting these messages. They were not getting them before.
What causes this and how can I prevent it?
Here are some examples:
Subject: Undeliverable:Ñëóæáà äîñòàâêè påêëàìû
Your message did not reach some or all of the intended recipients.
Subject: !;C610 4>AB02:8 p5:;0<K
Sent: 7/13/2008 9:48 AM
The following recipient(s) could not be reached:
mx6.valuehost.ru--egaste@p
egast.ru on 7/13/2008 11:35 AM
The e-mail system was unable to deliver the message, but did not report a specific reason. Check the address and try again. If it still fails, contact your system administrator.
< coffee.pegast.ru #5.0.0 X-Coffee; host 192.168.0.240[192.168.0.24
0] said: 550 <mx6.valuehost.ru--egaste@
pegast.ru>
, Recipient unknown (in reply to RCPT TO command)>
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Subject: Undeliverable:Considered UNSOLICITED BULK EMAIL, apparently from you
Your message did not reach some or all of the intended recipients.
Subject: Free membership for research
Sent: 7/13/2008 10:40 AM
The following recipient(s) could not be reached:
research@inext.ru on 7/13/2008 12:27 PM
The recipient could not be processed because it would violate the security policy in force
< ns2.inext.ru #5.7.0 smtp; 554 5.7.0 Reject, id=32283-02 - SPAM>
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Subject: Undeliverable:Returned mail: see transcript for details
Your message did not reach some or all of the intended recipients.
Subject: Recommended: Play Casino Online with 300 euros free!
Sent: 7/13/2008 9:22 AM
The following recipient(s) could not be reached:
lachtna@smtp.pcs.mb.ca on 7/13/2008 11:11 AM
The e-mail account does not exist at the organization this message was sent to. Check the e-mail address, or contact the recipient directly to find out the correct address.
< mx3.pcs.mb.ca #5.1.1 SMTP; 550 5.1.1 <lachtna@smtp.pcs.mb.ca>..
. User unknown>
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