i have installed The Perfect Server - CentOS 7 x86_64 (nginx, Dovecot, ISPConfig 3) i create local email [email protected] and try to send to self address [email protected] but nothing happen in my inbox these are my maillog Code: [/SIZE] Apr 13 14:10:17 htp postfix/trivial-rewrite[19614]: warning: do not list domain htp.ac.id in BOTH mydestination and virtual_mailbox_domains Apr 13 14:10:17 htp postfix/qmgr[19509]: A41AF878CCCF: removed Apr 13 14:10:17 htp postfix/local[19636]: 9601A878CCCD: to=<[email protected]>, relay=local, delay=0.04, delays=0.03/0/0/0.01, dsn=5.1.1, status=bounced (unknown user: "admin") Apr 13 14:10:17 htp postfix/qmgr[19509]: 9601A878CCCD: removed Apr 13 14:10:19 htp dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=::1, lip=::1, mpid=19649, secured, session=<l5OEzpUT6gAAAAAAAAAAAAAAAAAAAAAB> Apr 13 14:10:19 htp dovecot: imap([email protected]): Disconnected: Logged out in=76 out=495 Apr 13 14:10:20 htp dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=::1, lip=::1, mpid=19652, secured, session=<rD+QzpUT7AAAAAAAAAAAAAAAAAAAAAAB> Apr 13 14:10:20 htp dovecot: imap([email protected]): Disconnected: Logged out in=76 out=495 Apr 13 14:10:23 htp dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=::1, lip=::1, mpid=19657, secured, session=<EL3CzpUT7gAAAAAAAAAAAAAAAAAAAAAB> Apr 13 14:10:23 htp dovecot: imap([email protected]): Disconnected: Logged out in=76 out=495 [SIZE=5] postfix main.cf of mydestination part Code: mydestination = htp.ac.id, localhost.htp.ac.id, localhost, htp.ac.id Problem Solved i change mydestination in postfix main conf Code: mydestination = localhost.$mydomain, localhost, mail.htp.ac.id