Hi,

 I had the same problem after upgrading, you need to add this to your
configuration and the error about your server "does not 
support authentication" is  misleading

$config['smtp_conn_options'] = array(
   'ssl'         => array(
     'verify_peer'  => true,
     'verify_depth' => 3,
     'cafile'       => '/etc/pki/tls/certs/cafile.crt',
   ),
 );

Cheers,
Nuno

On Sun, 2020-01-05 at 22:55 +0100, Dirk Dettmering Roundcube User
Mailinliste wrote:
> Thanks for your and the other suggestions. I will try them in the
> next 
> days. As the server is productive I can change essential settings
> only 
> outside working hours in a small time slot.
> I'm just wondering why my other mail clients can send mail with SMTP 
> authentication and RC doesn't? But maybe RC needs mandatory the SMTP 
> AUTH banner in the smtp dialogue?
> 
> Bye
> 
> Dirk
> 
> 
> On 05.01.20 19:37, @lbutlr wrote:
> > On 04 Jan 2020, at 15:45, Dirk Dettmering Roundcube User
> > Mailinliste <[email protected]> wrote:
> > > $config['smtp_server'] = 'tls://hostname.domain.tld';
> > > $config['smtp_port'] = 587;
> > > // I also tried $config['smtp_port'] = 465;
> > > $config['smtp_timeout'] = 0;
> > > $config['smtp_user'] = '%u';
> > > $config['smtp_pass'] = '%p';
> > > $config['smtp_auth_type'] = 'PLAIN';
> > > // i also tried $config['smtp_auth_type'] = '';
> > > $config['smtp_debug'] = true;
> > 
> > This is what I have, which other than the port is basically
> > identical:
> > 
> > $config['smtp_server'] = 'tls://mail.covisp.net/';
> > $config['smtp_port'] = 587;
> > $config['smtp_user'] = '%u';
> > $config['smtp_pass'] = '%p’;
> > $config['imap_auth_type'] = 'PLAIN’;
> > 
> > I do not have a timeout set for SMTP, so first suggestion is
> > comment that out.
> > 
> > For postfix (3.4.8):
> > 
> > In master.cf I have:
> > submission inet  n       -       n       -       -       smtpd
> >      -o smtpd_tls_security_level=encrypt
> >      -o smtpd_sasl_auth_enable=yes
> >      -o smtpd_sasl_type=dovecot
> >      -o smtpd_sasl_security_options=noanonymous
> >      -o smtpd_sasl_path=private/auth
> >      -o smtpd_milters=
> >      -o milter_connect_macros=
> >      -o milter_macro_daemon_name=ORIGINATING
> >      -o syslog_name=postfix/submit
> >      -o smtpd_client_restrictions=permit_sasl_authenticated,reject
> >      -o smtpd_data_restrictions=
> >      -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
> >      -o smtpd_helo_restrictions=
> >      -o
> > smtpd_recipient_restrictions=permit_sasl_authenticated,reject
> > 
> > In main.cf:
> > broken_sasl_auth_clients = yes
> > smtpd_sasl_authenticated_header = yes
> > smtpd_sasl_path = private/auth
> > smtpd_sasl_type = dovecot
> _______________________________________________
> Roundcube Users mailing list
> [email protected]
> http://lists.roundcube.net/mailman/listinfo/users
-- 
Nuno Dias <[email protected]>
LIP

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