Mail Server or Domain banned?

[Rob]

How can I find out if my mail server has been banned or if the administrator
banned my domain name?

 

[Lanwench [MVP - Exchange]]

Not enough info to go on. Are you running your own mail server? What makes
you think it's been blacklisted? Are you getting bounce messages/NDRs?

 

[Rob]

No, we are talking POP mail. I'm afraid a system administrator might be
sabotaging me.

Any email sent from mydomain.com is rejected by saiddomain.com. I think the
system administrator blocked mydomain.com from saiddomain.com.

In order to determine if this is true, I need to make sure that
mydomain.com's ISP server hasn't been blacklisted by saiddomain.com's ISP
server.

How would I determine that?


"Lanwench [MVP - Exchange]"

 

[Brian Tillman]

No, we are talking POP mail. I'm afraid a system administrator might
be sabotaging me.

Any email sent from mydomain.com is rejected by saiddomain.com. I
think the system administrator blocked mydomain.com from
saiddomain.com.

In order to determine if this is true, I need to make sure that
mydomain.com's ISP server hasn't been blacklisted by saiddomain.com's
ISP server.

The ability to check to see if the administrator of domain A has blocked
mail from domain B exists only if the administrator of A publishes the
information. However, you might be able to get a clue whether this has
happened or not if you try a manual SMTP session from domain B to A:

telnet smtp.domaina.com 25 <-you type this

220 smtp.comaina.com ready at Fri, 06 Aug 2004 <- other answers
helo me.domainb.com <- you type this
....some response here...

At this point, if the response is a rejection message, you know.