Phoenix Network Forums

Often procmail users are recommended to add a line like that to their
~/.forward file:

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"| IFS=' ' && exec /usr/bin/procmail || exit 75 #myusername"

(replace myusername).

Unfortunately this does not work on infinity like expected. Exim
doesn't seems to dislike that procmail writes to STDERR.

One can either move to Exim's filter language (I don't want to do so)
or replace the line above by that one:

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| /bin/sh -c "IFS=' ' && exec /usr/bin/procmail 2>/dev/null || exit 75 #myusername"

It's more complicated because I've found no way to get rid of STDERR
output without using an additional shell instance. If somebody can
simplify, please let me know.

Regards
Thomas