Rejecting Mail From Palsu

#nano  /opt/zimbra/conf/zmconfigd/smtpd_sender_restrictions.cf

tambahkan check_sender_access hash:/opt/zimbra/conf/domainrestrict

#nano  /opt/zimbra/conf/domainrestrict

localdomain.com   REJECT You're not me!
anotherlocaldomain.com REJECT You're not me!

#/opt/zimbra/postfix/sbin/postmap  /opt/zimbra/conf/domainrestrict

#su zimbra

$zmmtactl stop

$zmmtactl start 

Done now test it :D

#telnet yourdomain.com 25 

HELO yourdomain.com 

mail from: user@localdomain.com 

rcpt to: user2@yourdomain.com 

554 5.7.1 <user@localdomain.com>: Sender address rejected: You're not me!

Categories: Server