the secure:channel

Click here to read more about SpamStopsHere, the e-mail security company that brings you this blog.

If you’re recently configured your sendmail daemon and get the following error after a MAIL FROM:

553 5.0.0 .com<TMPF<TMPF>… Unbalanced ‘<’

Then you likely compiled with mailertable support but don’t have a mailertable.db file. The solution is to just create your mailertable file. Usually like this:

makemap hash /etc/mail/mailertable.db < /dev/null