Can I use From: "/^$/" in ruleset?

Jim Hermann wizard at
Tue Jun 27 04:53:31 IST 2006

I don't want Spamassassin to check bounce messages which have from=<> in the

The maillog shows these messages as:

Jun 25 04:55:15 host sm-acceptingconnections[21609]: k5P9tEkN021609:
from=<>, size=0,
 class=0, nrcpts=1, proto=SMTP, daemon=MTA,

Can I use From: "/^$/" in ruleset spam-scan.rules to do this?

From: "/^$/"        no

And put this line in my MailScanner.conf

Use SpamAssassin = %rules-dir%/spam-scan.rules

Jim Hermann <hostmaster at>
UUism Networks <>
Ministering to the Needs of Online UUs
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