Pete -
Good info and thanks for the tip.
FWIW - I had another experience with msn in particular that was quite
annoying. All mail from my domain/server was being deferred - ie: their
server was hanging up on me after the EHLO. No reason, no explanation,
just the msn butterfly behaving like mothra ;-)
In any case, a simple and cordial request to msnabuse@microsoft.com
resulted in a very quick response and they fixed the issue.
Granted, they never told me what they did to cause the problem which is
rude and lazy at best but at least it got my queue emptied...
Ed
At 12:45 PM Wednesday, 2/26/2003, Peter P. Benac wrote -=>
>Greetings,
>
> I saw a thread in the archive asking why mail to Hotmail and MSN is
>being rejected. It was contributed to anti-spam and other things.
>
> MSN and Hotmail have a limit on the number of Recipients in the To: or
>CC: header entries and the have a connection limit per mail server.
>
> If the To: or CC: header entries exceed 25 or the number of concurrent
>connects from a single host exceed 10 they message will be rejected.
>
> I got around this by decrease the TOBUFSIZE in conf.h and recompiled
>sendmail. The current versions of sendmail have this set to 4096 which will
>allow up to 45 entries in the To: or CC: Fields.
>
> I lowered the number to 1024 and MSN was happy. Sendmail's performance
>doesn't seem to be affected too much.
>
> For those that read the O'Reilly TOBUFSIZE is to limit the number of To:
>entries going to the syslog daemon; however if you read on it also says that
>it affects the number of entries in the To: field in the outgoing message as
>well.
>
> I hope this helps!!
>
>Regards,
>Pete
>----
>Peter P. Benac, CCNA
>Emacolet Networking Services, Inc
>Providing Systems and Network Consulting, Web Hosting Services
>Phone: 919-847-1740 or 866-701-2345
>Web: http://www.emacolet.com
>
>To have principles...
> First have courage.. With principles comes integrity!!!
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