MyLinuxTips

OBJECTIVE

The purpose of this document is to enable DKIM keys setup on sendmail server so that email delivery into inboxes can be maximized.

1. To enable mailbox quotas throughout postfix configuration, we need to configure main.cf file of postfix.

Address rewriting allows changing outgoing email ID or domain name itself. This is good for hiding internal user names. For example:

• Check whether the SMTP port number is open on the intended SMTP server or not by giving the following command:

• First you need to setup sendmail to handle mail delivery by procmail. In /etc/mail/sendmail.mc file edit the following line as follows: