HELP DESPERATE!! Exchange server can send but not receive email

By virginia ·
ISP tells me Port 110 times out.
Tried everything.
Techies drawing a blank.
Telnet gives back a negative response.

Business could fold if I don't get this sorted.

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possibly mx records and or mx record replication

by cutlass_1972 In reply to HELP DESPERATE!! Exchange ...

did you change your mx records to reflect the location of your domain? Have your mx records replicated? It can take up to 24 hours for mx records to fully replicate.

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Yes Virginia, there IS a Santa Claus!

by Churdoo In reply to HELP DESPERATE!! Exchange ...

(corny I know, but couldn't help myself)

If you're talking about port 110, then you're talking about POP. How does your exchange server retrieve email? via POP? Is this Small Business Server 2003 using the POP connector?

If you are using POP, that means you have an ISP that is hosting the email and email should be accumulating in POP mailbox(es). The ISP has confirmed that messages are accumulating in the mailboxes? And if this is the case, then the ISP can likely provide a web interface so that users can at least log onto the web interface and receive/send email until you get delivery to Exchange fixed.

Give details of your setup and we can help.

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by retro77 In reply to HELP DESPERATE!! Exchange ...

The two most common problems with your symptoms are firewalls that are not configured to allow the traffic in and also DNS.

You should have TCP port 25 open on the inbound to receive email via the SMTP protocol.

Your DNS also needs to be properly registered with an MX record properly pointing to your external IP for the Exchange server.

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