Domain level blocking of users

Revision as of 14:01, 29 October 2008 by Santosh rao99 (talk | contribs) (Domain blocking of users)
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Below mentioned are the steps to "REJECT" an external email address from sending mail to the users of the Zimbra Domain.

The same results can also be achieved via link blacklisting.

1. Edit /opt/zimbra/conf/zmmta.cf

  Add this line below (smtpd_recipient_restrictions)
       POSTCONF smtpd_sender_restrictions FILE postfix_sender_restrictions

2. vi /opt/zimbra/conf/postfix_sender_restrictions

  hash:/opt/zimbra/postfix/conf/reject

3. Create file /opt/zimbra/postfix/conf/reject with the list of email address to be rejected in the below format:

  user@domain.com     REJECT

4. postmap /opt/zimbra/postfix/conf/reject

5. zmmtactl stop ; zmmtactl start

Please note that this change will not survive an upgrade and you will have to redo these after the upgrade.

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