________________________________
From: Noel Jones <[email protected]>
To: [email protected]
Sent: Sun, April 25, 2010 10:45:35 PM
Subject: Re: Authentication problem with Thunderbird
On 4/25/2010 2:05 PM, mohamad rahimi wrote:
>
>
> ------------------------------------------------------------------------
> *From:* Victor Duchovni <[email protected]>
> *To:* [email protected]
> *Sent:* Sun, April 25, 2010 8:17:11 PM
> *Subject:* Re: Authentication problem with Thunderbird
>
> On Sun, Apr 25, 2010 at 10:18:57AM -0700, mohamad rahimi wrote:
>
> > >> "Unable to authentication to SMTP server mx.mydomain. The server
> does not
> > > >support any compatible secure authentication mechanism but you
> have chosen
> > > >secure authentication. Try switching off secure authentication."
> >
> > >"Secure Authentication" means no plaintext passwords, i.e. GSSAPI,
> > >CRAM-MD5, ... Are you sure you have support for mechanisms other than
> > >"PLAIN"? If not, don't tell Thunderbird to try and use them...
> >
> >> I am sure our mail server had the mechanisms for Secure Authentication.
>
> >What do you mean when you say this? Which non-plaintext SASL mechanisms
> >does your server support, and how?
>
> >> my question is that how can I understand that now our mail server
> >> support this mechanisms and how can I run this.
>
> >The above sentence does not make sense in English I am afraid. :-(
>
> Sorry for inconvenient in my explanation. In my first email I told that
> this problem happened after restart the firewall and mail server before
> that I did not have this problem and it means Secure Authentication
> mechanisms worked.
> I don't know Which non-plaintext or plaintext SASL mechanisms my server
> support.
> how can I find out?
>
>Instructions for testing your server, which includes
>displaying mechanisms offered, can be found here:
>http://www.postfix.org/SASL_README.html#server_test
>Note: if you configured your server to offer different
>mechanisms to an encrypted connection, test with openssl
>rather than telnet:
>% openssl s_client -connect server.example.com:25 -starttls smtp
I tested authentication with telnet and openssl and I received this error "
535 5.7.0 Error: authentication failed: authentication failure"
what should I do?
