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Please help!!!

I can send emails fine. But I can't receive any emails except from my own server.

I use dyndns to set my dns. use 1and1 as server.

Please Help!!

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What is your domain name? If the dyndns records weren't updated for some reason, the A record in the MX record may point to the wrong IP address.

Check your current IP, then check the MX record to se if they differ.

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many ISP's and mail servers, block dyynamic ip's via reverse pointers

because your ip is dynamic you cant have the reverse pointer set to the Fully Qualified Domain Name (FQDN) of your server as ot would be changing too quickly for DNS to keep up.

you really do need a static IP to make things work reliably, i still think this is and should be a requirement of any production mail server.

but again i find that 9 times out of 10 these are DNS issues

check that your MX record is the FQDN of your mail server

and that the A record for the FQDN of your mailserver is fully uptodate. also make sure it is using the external IP of your dynamic connection not your LAN IP (unless its external)

[Updated on: Mon, 16 February 2009 16:32]

Mac Xserve Intel - 2x 2.7GHz Dual Core Xeon
Leopard 10.5.8
4GB Ram
1.25 TB HDD Raid 5
Kerio 6.7.1
~60 Users (varying windows and mac Exchange or IMAP)
18 iPhones

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Are you the only one with this problem getting mail on your server? What happens to the mail you do not receive?
Have an email sent to you somewhere else.
If you get a bounce, diagnose the problem.
If it just disappears, it may be stuck somewhere in a spam folder or quarantined.

Check your logs (meail, spam, debug with spam enabled) to see if anything about the email (sender recipient address) appears.
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