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Olli

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Hi there,

a client of me has a problem with their old installation of Kerio MailServer 5.5.1

Last Thursday all of a sudden, KMS stopped AUTHing itself to its SMTP relay server.

This is a part of a sniffing log from the mail relay side:

T 1.2.3.4:25 -> 84.150.172.164:62887 [AP]
  220 mail-relay.example.de ESMTP Postfix (Debian/GNU)..
#
T 84.150.172.164:62887 -> 1.2.3.4:25 [AP]
  EHLO 192.168.1.3..
##
T 1.2.3.4:25 -> 84.150.172.164:62887 [AP]
  250-mail-relay.example.de..250-PIPELINING..250-SIZE 80000000..250-VRFY..250-ETRN..250-AUTH PLAIN LOGIN..250-AUTH=
  PLAIN LOGIN..250-ENHANCEDSTATUSCODES..250-8BITMIME..250 DSN..
#

<----- AUTH should be here! ------

T 84.150.172.164:62887 -> 1.2.3.4:25 [AP]
  MAIL FROM:<user<_a.t_>example.de> SIZE=39993..


I already tried restarting KMS, rebooting the machine, activating and deactivating relay-AUTH, SSL etc. but nothing seems to work.

Any suggestions?

Thanks!
  •  
freakinvibe

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In the KMS debug log, switch on SMTP Client Logging and post the contents here.

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