Using Procmail to stop repeats (was Re: triplets...)

Tue Nov 18 18:30:25 UTC 1997

On Nov 18, Marc Hurst <mhurst at fastlane.ca> wrote: 

> Is anyone else getting multiple copies of the same message?
> 
> Its kinda annoying....

# Get rid of repeats
:0 Wh: msgid.lock
| formail -D 8192 $HOME/.msgid.cache

	When added near the top of your .procmailrc, that'll keep a
	cache of Message-ID headers and dump repeats.  I've been using
	it for years, no complaints -- and it helped a lot with the
	recent attacks on this list.

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