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postfix cant receive mails, blocked linode port?
https://forum.linode.com/viewtopic.php?f=11&t=4585		 Page 1 of 1
Author:  dmayorgap [ Wed Sep 02, 2009 5:20 am ]
Post subject:  postfix cant receive mails, blocked linode port?
Hi everyone!

Im losing my mind with postfix in my linode, i can send mail from my domain to a gmail account i have, but when i send from gmail to my domain i never receive it. Another weird issue is that when i send an email from my domain (abc@domain.com) to myself (abc@domain.com) it never sends it, it stays in queue, in postfix logs appears connection to port 25 refused and never sends it, does linode block port 25 on every linodes??? what would be the problem??

Thanks

Regards,

David M.
Author:  mwalling [ Wed Sep 02, 2009 7:26 am ]
Post subject: 
Code:
mwalling@youtoo:~$ host domain.com
domain.com has address 66.150.120.131
domain.com has address 216.34.94.184
domain.com mail is handled by 10 sentry.domainbank.com.
mwalling@youtoo:~$ telnet sentry.domainbank.com smtp
Trying 64.85.73.28...
Connected to sentry.domainbank.com.
Escape character is '^]'.
220 mailbucket.registerapi.com ESMTP
EHLO you.dontlike.us
250-mailbucket.registerapi.com
250-PIPELINING
250 8BITMIME
MAIL FROM: <postmaster@you.dontlike.us>
250 ok
RCPT TO: <postmaster@domain.com>
553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)
QUIT
221 mailbucket.registerapi.com
Connection closed by foreign host.
mwalling@youtoo:~$


I can connect to domain.com's MX just fine (ignoring the misconfiguration).

Without logs or configuration settings, it would be hard to see what is wrong.
Author:  Vance [ Thu Sep 03, 2009 8:17 am ]
Post subject:  Re: postfix cant receive mails, blocked linode port?
dmayorgap wrote:
does linode block port 25 on every linodes???

No. Atlanta is the only data center with any filtering, and port 25 is open (and heavily used by many).

http://www.linode.com/wiki/index.php/At ... _Filtering
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