Re: Re: Authentication unsuccessful relaying from Postfix to	MicrosoftESMTP MAIL Service
Hi Camaleón,
> O.k. Then you need to setup Postfix SSL/TLS acting as client, not
> server. 
Oh that's what I thought I did. I only changed smtp_* settings, not
smtpd_* settings.
> > So my questions are:
> >  * How can I fix this in Postfix?
> 
> Let's see the logs...
I already posted excerpts from /var/log/auth.log and /var/log/mail.log
I'm not sure which other logs are relevant. 
> >  * Can Postfix do this? Or do I need to change to something else
> >  * e.g.
> >  Exim? 
> 
> Yes, you can setup Postfix for this.
That's good, thanks.
> > * What does IceDove do that Postfix doesn't?
> 
> Logs will tell.
Again, not sure which logs. 
> The doc you have to follow stands here:
> 
> http://www.postfix.org/SASL_README.html#client_sasl
Thanks. In fact I've used those settings, and for my old server, they work.
> > /var/log/mail.log:
> 
> (...)
> 
> > May  9 16:30:01 rimmer postfix/smtp[10643]: certificate verification failed for NEWSERVER[NEWSERVER-IPADDR]:587: untrusted issuer /L=ValiCert Validation Network/O=ValiCert, Inc./OU=ValiCert Class 2 Policy Validation Authority/CN=http://www.valicert.com//emailAddress=info@valicert.com
> 
> Server replies that does not trust the issuer of that CA.
> 
> (...)
> 
> > May  9 16:30:01 rimmer postfix/smtp[10643]: Untrusted TLS connection established to NEWSERVER[NEWSERVER-IPADDR]:587: TLSv1 with cipher RC4-MD5 (128/128 bits)
> 
> I guess your are having problems with the certificate itself. It
> cannot 
> be verified by the remote server.
The TLS part seems to be sorted now (see my reply to Sven).
But the authentication still fails.
Thanks for your help,
Clive
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