hello list
I don't get it: recently, e-mails sent from one virtual server to anotherone on
the same 5209R box are rejected with the following:
_________________________________________________________________________
**********************************************
** THIS IS A WARNING MESSAGE ONLY **
** YOU DO NOT NEED TO RESEND YOUR MESSAGE **
**********************************************
The original message was received at Wed, 20 Jan 2021 12:40:56 +0100
from 238.132.61.188.dynamic.wline.res.cust.swisscom.ch [188.61.132.238]
----- Transcript of session follows -----
<u...@domain.tld>... Deferred: Connection timed out with mail.domain.tld.
Warning: message still undelivered after 4 hours
Will keep trying until message is 5 days old
_________________________________________________________________________
• I couldn't find out from which senders domains it happens, fromgmail.com
senders for instance it doesn't happen
• sendmail and dovecot are running without errors
• the senders aren't listed in the APF blacklist.
• after 5 days nothing is sent
I rebooted the servers but it didn't help, the e-mails sent from and to domains
on the same 5209R box are deferred and not sent. If I send them from my gmail
account, they are accepted.
any ideas what's going on?
thank you and best regards
で⊃ Meaulnes Legler
Zurich, Switzerland
+41¦0 44 260-1660
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