Hello,

most SMTP servers of freemails or of ISP in Czech Republic use only
SASL PLAIN/LOGIN authentication with SSL possibility (over port 465
- ssmtp).

I works well with e.g. Evolution as SMTP client.
But I can't get this work in Postfix with "relayhost"

I followed:
http://www.postfix.org/SASL_README.html#client_sasl
http://www.postfix.org/TLS_README.html

So I have add to main.cf:

--------------------------------------
smtp_sasl_auth_enable = yes
relayhost = [smtp.iol.cz]:465
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_tls_security_options = noanonymous
smtp_tls_security_level = encrypt
smtp_tls_mandatory_protocols =
---------------------------------------
((BTW: in hash table/passwords is not the Problem))

First I have try it without ":465", but then Postfix try port 25 and
because the ESMTP response do not include STARTTLS then Posfix ends
with:

---------------------------------
Mar 1 14:23:40 duron650 postfix/smtp[3641]: E6CF0A2F1C:
to=<kap...@mizera.cz>, relay=smtp.iol.cz[194.228.2.82]:25,
delay=1399, delays=1399/0.07/0.05/0, dsn=4.7.4, status=deferred (TLS
is required, but was not offered by host smtp.iol.cz[194.228.2.82])
----------------------------------

And with the 465 port the response is:
-----------------------------------------
Mar 1 14:32:45 duron650 postfix/smtp[3715]: CLIENT wrappermode
(port smtps/465) is unimplemented
Mar 1 14:32:45 duron650 postfix/smtp[3715]: instead, send to (port
submission/587) with STARTTLS
--------------------------------------

But on port 587 listens the ISPs server not.

What can I do ?

Thanks

--kapetr



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