On May 24, 2012, at 20:40, Jerry K <smail(_at_)oryx(_dot_)cc> wrote:
I reviewed Sieve, Mail Drop and a couple of others. PARP was one I had
not seen previously.
As dated as procmail is in its current state, there is still nothing
else out there that does as much as it does.
Maildrop is closest to being a procmail replacement. The things that maildrop
cannot do pretty much come down to a different philosophy on what one should be
able to do with an email. As I recall it does not make editing or replacing
headers particularly easy mostly because it doesn't think that should be done
(adding headers is fine). I don't think there is anything that procmail can do
that maildrop can't, but it's been a long time.
Particularly complex files in maildrop can have a huge impact on performance
because the files are preloaded and precompiled (sort of) unlike procmail where
everything is interpreted line by line so maildrop recipes tend to be a sort of
hydra of many files with a lot of includes which is a lot more complicated than
simply stepping through a procmail file line by line. That said, maildrop is
generally agreed to be faster.
The biggest advantage that Maildrop has is that it's been in active development
within the last decade. Procmail still has bugs dating into the previous
century and no realistic hope that they will ever be fixed. (The mysterious >
From bug is particularly annoying to me).
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