How to never see dupes again (was: someone at ti.com - dups)

Sick of misconfigured majordomos, incessant cross-posters, and occaisional
operator error?

Put in .procmailrc:

# Use a cache of Message IDs received to avoid duplicate messages
# (i.e. same message posted to two [or more] mailing lists will be
# delivered only once [to first matching procmail rule.)
:0 Wh:.msgid.cache.lock

formail -D 8192 .msgid.cache

Stephen

ObRandy: acc 101 d tcp any any eq smtp, acc 101 p ip any any

     > > Stephen Sprunk, K5SSS, CCIE #3723
    :|: :|: NSA, Network Consulting Engineer
   :|||: :|||: 14875 Landmark Blvd #400; Dallas, TX
.:|||||||:..:|||||||:. Pager: 800-365-4578 / 800-901-6078
C I S C O S Y S T E M S Email: ssprunk@cisco.com

Beware that while Message IDs are supposed to be unique, some clients do not
actually guarantee uniqueness. We run the Cyrus local delivery agent, and
used to have it configured to drop duplicate message IDs. However, we had
complaints from customers not getting their email from certain people and
upon investigation we found that the Message IDs were being reused. So, we
reluctantly disabled this feature. Those mail clients may have been updated
by now, but I am certain that some remain.

Also, much of the time I see duplicates on mailing lists they get new
message IDs as they pass through the list mechanism so it wouldn't help
you anyway in those cases.

John A. Tamplin Traveller Information Services
jat@LiveOnTheNet.COM 2104 West Ferry Way
256/705-7007 - FAX 256/705-7100 Huntsville, AL 35801

"Stephen Sprunk" wrote:

Sick of misconfigured majordomos, incessant cross-posters, and occaisional
operator error?

Put in .procmailrc:

# Use a cache of Message IDs received to avoid duplicate messages
# (i.e. same message posted to two [or more] mailing lists will be
# delivered only once [to first matching procmail rule.)
:0 Wh:.msgid.cache.lock
> formail -D 8192 .msgid.cache

If you get as much mail as I do, you'll want to increase the size of the
message-id cache to something along the lines of 16k or even 32k (I got
about 2/3rds of the dupes because the message-ids had already expired out
of my 16k cache).

-cgw-

Sick of misconfigured majordomos, incessant cross-posters, and occaisional
operator error?

Put in .procmailrc:

Use Listserv. Majordomo doesn't hold a candle to the features (loop
checking, spam busting) that Listserv has.

-Hank

I've found that smartlist works the best.

  (at least in my experience)

  - jared