Tools to wash email-lists for bouncing addresses
reichert at numachi.com
Fri Jan 14 09:31:32 PST 2005
On Fri, Jan 14, 2005 at 12:11:13PM -0500, Charles Swiger wrote:
> Use Mailman for your mailing list software; Mailman is smart enough to
> understand bounces from list traffic and disable or remove old
> addresses. The FreeBSD lists are using Mailman now...
ezmlm-managed lists do as well, but it's married to qmail, which
might not be useful for you...
As described on other lists, you'll need to be able to generate a
message for each recipient with their subscribed address somehow
encoded in the envelope sender address, such that when a bounce
returns to the list manager, that software can extract it.
Under the qmail universe, such a construct is called a VERP (Variable
Envelope Return Paths):
As far as I know, ezmlm was the first MLM to handle bounces in this
manner, but many other MLMs now utilize similar features...
In fact, a Google search on 'VERP' reveals many hits for other MTA/MLM
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Brian Reichert <reichert at numachi.com>
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