Am 04.12.20 um 12:55 schrieb Andreas via Exim-users:
Hello List,
we have a problem with this app. A customer loves M$. So he tries to
connect to exim as outgoing connection. The IMAP part ist ok, there is
dovecot.
All error messages from the app are wrong, if you give wrong passwords
it gave wrong certificate, correct data gives wrong password and so on...
In the exim log you can see:
2020-12-04 11:36:21 SMTP protocol synchronization error (input sent
without waiting for greeting): rejected connection from xxx I=[xxx]:25
input="\026\003\001"
I think it tries SSL/TLS and it doesn't matter what port you give in the
it does .. when i need to guess : SSLv3 . This won't work von Port 25.
And it should not work ever again on any other port ;)
best regards,
Marius
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