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Impractical
Authored by: Chas on Dec 16, '01 06:36:20AM

This tip is totally impractical since you have to rebuild your email box every time you read mail. It takes quite a while to rebuild my mailbox. And mail.app will no longer automatically put up the little red dot to alert you to incoming mail.Of course you could use PINE or some command line mail program, but that would be a huge step in the wrong direction.

BTW James, if you need help "translating" this from Unix, you should definitely not try this trick. Running a local mail system like Procmail is not for unix newbies, it is a security risk, and you could even open up your own system as a spam relay if you don't know what you are doing. So don't try this without expert help.



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Not a security risk
Authored by: kwalker on Dec 16, '01 03:09:30PM

Procmail is not a "local mail system". It doesn't introduce any new security risks. It's syntax is bizarre and idiosyncratic, however, so using it's more advanced features is not for the faint of heart.

The perl module Mail::Audit is probably a better alternative for advanced mail filtering. (For simple mail filtering, just use Mail.app, Eudora, etc.)



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procmail is not a security risk
Authored by: bighouse on Dec 17, '01 01:48:03AM

Chas, procmail is a local delivery agent (LDA), it cannot send email and it cannot receive it either, all it can do is deliver it. It does not listen on any port for network connections. It cannot act as an open mail relay.

But you're right, security concerns should always be attended to! One of the goals of this excercise was to avoid starting sendmail, which does listen on port 25, and which can be configured as an open relay, and which has a history of security exploits (some recent). Apparently some people have been starting sendmail just to use access.db. I can understand their frustration, but unless they're well firewalled, I wouldn't recommend it...

--Hoop



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