Configure Postfix for SASL Authentication from Dovecot
KB ID 0000883 Problem I built a Postfix mail server with Dovecat on CentOS 6.4 installed last week. To read my emails I installed SquirrelMail on the same server, and surprisingly it all went well. However If I attempted to send mail from Microsoft Outlook on my laptop, or from my iPhone this happened; The following recipient(s) cannot be reached: ‘name@domain-name.com’ on 22/11/2013 22:21 Server error: ‘554...