hi every i'm configure postfix and dovecot with this tutorial : https://workaround.org/ispmail/wheezy/ and i'm configure sasl auth and REMOTE IMAP ( rimap ), by this tutorial : http://blog.hacky.info/index.php/post/2006/11/10/12-smtp-auth-tls-postfix-avec-sasl-linke-a-imap and this : http://www.zarafa.com/wiki/index.php/SMTP-Auth_for_IMAP_users every thing is ok by mysql domains , and i can send reciev email on mysql domains that sorted on my local database like "example.com" but on /etc/default/saslauth : i set up Code: MECHANISMS="rimap" MECH_OPTIONS="imap.remote_imap_server.com 143" OPTIONS="-r -c -m /var/run/saslauthd" when i want to setup that mail user on outlook i get this error on mail.log : Code: Sep 10 15:52:24 loca_lpostfix_and_imap_Server postfix/smtpd[11761]: connect from unknown[ip.ip.ip.ip] Sep 10 15:52:25 loca_lpostfix_and_imap_Server postfix/smtpd[11761]: NOQUEUE: reject: RCPT from unknown[ip.ip.ip.ip]: 554 5.7.1 <user@remote_imap_server.com>: Relay access denied; from=<user@remote_imap_server.com> to=<user@remote_imap_server.com> proto=ESMTP helo=<userPC> Sep 10 15:52:25 loca_lpostfix_and_imap_Server postfix/smtpd[11761]: lost connection after RCPT from unknown[ip.ip.ip.ip] please please help me to solve this issue