POP3 vs IMAP answered. MAILDROP asked.

[Keith Mastin]

> IMAP puts each message into its own file.

Not quite. That's why we use maildir. uw-imapd uses some other broken
format, but maildir is above and beyond the est.

> File locking problems don't happen.

That's a product of the server functions and the maildir format.

> Life is simpler.
>
> For each folder, it constructs 3 sub-directories: tmp, new, cur

This is all Maildir related, not IMAP specific. There are many other
servers that use different mail storage formats.

> - "tmp" (as you might guess) is a temporary directory. New messages are
>   first written to an individual file in "tmp". Once that task is done,
<snip>
>
> ---- So much for today's contribution. Now for today's question ----
>
> I'm trying to write MAILDROP support for
> 	- "blacklists" and  "whiteFromLists"
> 	- allow a sender to put himself in a whiteFromLists by sending
> 	  a message with a predetermined code in the subject header

I've never heard of this being a function of maildrop. What does mailman use?

There are other auto-responder software out there too. Check sourceforge
and freshmeat, and phpbuilder.

> 	- the ability to place (that's easy) after detecting user
> 	  preference (that's harder) that a message is be automatically
> 	  placed in a particular IMAP folder.

Use procmail or maildrop for this.

>
> Maildrop does impressive things, but I wish it had more of Perl's power.
>
> Does anyone have experience with such a scenario?


-- 
Keith Mastin
BeechTree Information Technology Services Inc.
Toronto, Canada
(416)696 6070


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