Date: Sat, 18 Nov 2006 08:12:34 -0500 From: Gerard Seibert <gerard@seibercom.net> To: User Questions <freebsd-questions@freebsd.org> Subject: Re: maybe OT - sendmail+outlook problems Message-ID: <20061118081057.D6EA.GERARD@seibercom.net> In-Reply-To: <20061118131720.N65829@chylonia.3miasto.net> References: <20061118131720.N65829@chylonia.3miasto.net>
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On Saturday November 18, 2006 at 07:26:38 (AM) Wojciech Puchar wrote:
> while i use sendmail for many years and many of my users have outlook
> express (it's their problem not mine, there are lot of normal mail clients
> available for windows) and all works.
>
> recently i installed sendmail as one of server programs when configuring
> machine for someone (standard "delinuxation" procedure). his users started
> complaining about problems with sending mails. no problems happened when
> receiving mail.
>
> while lot of his users use outlook, only part of them complains, but i've
> seen it live.
>
> when outlook starts to send large mail, it sends first few MB then chokes.
> sometimes it unchoke and send more data, chokes again etc.
> sometimes it says that server didn't respond for too long time and aborts.
>
> on server i started trafshow and it showed everything normal, but when
> "choking" it showed transfer speed of about 2-3kB/s.
>
> there is no problem with cables, switches etc. as ftp sessions goes full
> speed always both to and from server.
>
> all windows firewall was turned on or off when testing and it doesn't
> change anything.
>
> position where it chokes is random.
>
> tested using pine on other machine (pine was set to send directly through
> this sendmail) - no problems with 50MB mails, tested many
> times.
>
> while i have network for over 300 users, maybe 20% of them using outlook
> (those who refused to use thunderbird we install when connecting), but
> none complained.
>
>
> could You please give me any quirk about what to check more and find the
> reasons why it happens?
>
> his network has separate machine (still running linux now) designed for
> traffic control. but traffic control rules are not port-based, and for
> sendmail server there are no control just routing.
> can linux make such problems? i don't think so as FTP goes fine, but just
> asking.
Where are your log files detailing this supposed problem?
--
Gerard
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your time!
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