TLS not being offered on SMTP after upgrade from 5.0.18 to 6.0.0

[cosmospt]

Hi all,

I have upgraded yesterday from Zimbra 5.0.18 to 6.0.0 (Open Source) on Ubuntu 8.04 64 Bits.

After the upgrade TLS stopped working, it is not being offered on SMTP port 25:

SMTP trace before the update (version 5.0.18):

220 xxx.yyy.com ESMTP Postfix
EHLO laptop100
250-xxx.yyy.com
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

SMTP trace after the update (version 6.0.0)

220 xxx.yyy.com ESMTP Postfix
EHLO laptop100
250-xxx.yyy.com
250-PIPELINING
250-SIZE 20480000
250-VRFY
250-ETRN
250-AUTH PLAIN LOGIN
250-AUTH=PLAIN LOGIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

SMTP/SSL is working fine, as well as POP/SSL and IMAP/SSL.

Any ideas about what can be the problem?

Thanks

[cosmospt]

I managed to fix this by running the commands:

zmprov ms xxx.yyy.com zimbraMtaTlsSecurityLevel may

postfix reload

[deltatango]

Many thanks cosmo, had the same problem and now it works again.
You saved my evening

System: Mac OS Tiger (Mac Mini), Zimbra Network Edition,
problem appeared after upgrade from 5.0.18 to 6.0.

couldn't send mails via SMTP, webmail worked, Outlook connectors as well.

[LMStone]

Originally Posted by cosmospt

I managed to fix this by running the commands:

zmprov ms xxx.yyy.com zimbraMtaTlsSecurityLevel may

postfix reload

Probably a good idea to fill out a bug report for this one (if you haven't already).

All the best,
Mark

[kevindods]

I found this helpful for my TLS on 587 issue, thanks.

Is there a bug report on it? I can't find it yet and don't want to duplicate needlessly.

Thanks
K

PS Now added one as I'll forget otherwise!

Bug 41303 – TLS not being offered on SMTP after upgrade from 5.0.18 to 6.0.0