# ls -la .procmailrc
-rw-r–r– 1 username users 129 Mar 13 15:08 .procmailrc

# cat .procmailrc
SHELL=/bin/sh
MAILDIR=$HOME/Mail
DOMAIN=mydomain.com
LOGFILE=$HOME/.procmailrc.log

:0
* ^From email@address.com
/dev/null