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тАО09-10-2009 07:25 AM
тАО09-10-2009 07:25 AM
Email messages not delivering
Sep 10 09:39:34 testserver sendmail[10759]: NOQUEUE: PC.DOMAIN.COM [133.22.12.69] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
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тАО09-10-2009 07:47 AM
тАО09-10-2009 07:47 AM
Re: Email messages not delivering
* Is sendmail running in daemon mode, listening to port 25 ?
if your answer is yes
* do you really need this server to receive email ?
if your answer is yes
* Is the IP address 133.22.12.69 is not local to your internal network ?
I think you've got the point I am going to. If this is not a local address, there might be some external entity trying to find a vulnerability in your sendmail server.
If you do not need to receive email from external resources on this server, my first advice to you is to stop the sendmail process from listening to port 25.
On the other hand, the reason why you are seeing this message is most probably this IP address connected to your sendmail process (for the lack of a better term) but did not issue an initial command your server was expecting. There is not much you can do about it, as long as the mail server is listening and such connections are incoming. You should really consider the need for sendmail process listening on this server.
UNIX because I majored in cryptology...
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тАО09-10-2009 07:50 AM
тАО09-10-2009 07:50 AM
Re: Email messages not delivering
Please elaborate what problem you are trying to resolve in a bit more details here.
UNIX because I majored in cryptology...
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тАО09-10-2009 07:59 AM
тАО09-10-2009 07:59 AM
Re: Email messages not delivering
I am having problem delivering outgoing messages(to an email_printer).
i have an email address as a printer so that i can sent reports etc to the email address
133.22.12.69 is my pc ip which i am using to ssh into the server.
a successful message transfer should give this output.
Sep 10 09:57:47 prodserver sendmail[8403]: n8AEvkd08401: to=user@domain.com, ctladdr=lp (9/7), delay=00:00:01, xdelay=00:00:00, mailer=esmtp, pri=122844, relay=mx.domain.com [133.22.2.6], dsn=2.0.0, stat=Sent (ok: Message 846446223 accepted)
i believe this is an issue with the relay configuration.
could you advice how i can verify it.
Thank You.
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тАО09-10-2009 08:22 AM
тАО09-10-2009 08:22 AM
Re: Email messages not delivering
grep ^DS /etc/mail/sendmail.cf
it is better if you can give the output from this server and another server which is known to be working in a way that you need.
UNIX because I majored in cryptology...
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тАО09-10-2009 08:50 AM
тАО09-10-2009 08:50 AM
Re: Email messages not delivering
Both the severs give out the output :
DS