>> I have mail server on CentOS 4.1. Sasl authorization for SMTP is >> enabled. Thunderbird sends mail, but Outlook get an error 554, Relay >> access denied, error number 0x800CCC79 >> >> Outlook has a login and password for SMTP enabled. >> >> It is strange, because there is no any sign of authorize in maillog >> when Outlook try to send mail. > > > I use Sendmail, not Postfix, but... > > It's my experience that the most recent versions of Outlook (the one > bundled with MS Office) no longer handle TLS gracefully. I've had to > reconfigure Outlook to send with straight SSL over port 465. It could be. I use TLS. -- ____________________________________________________________________ D o m i n i k S k ł a d a n o w s k i Laboratorium Informatyczne Wydział Chemiczny Politechniki Warszawskiej www: http://www.ch.pw.edu.pl/ tel.: (22) 6605818