Date: Thu, 23 Oct 2003 10:07:43 -0500 From: "Jim Flowers" <jflowers@ezo.net> To: David Richards <davidr@skyforge.net> Cc: freebsd-isp@freebsd.org Subject: Re: sendmail + spamassasin + corporate exchange server Message-ID: <20031023134731.M24801@ezo.net> In-Reply-To: <20031023092947.5cba6bcc.davidr@skyforge.net> References: <20031023092947.5cba6bcc.davidr@skyforge.net>
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There are a number of ways different ways, each with advantages and disadvantages. If your gateway mail server has a view of both the Internet and the internal network, you could use a split DNS to provide an external MX record pointing a domain to the gateway mail server and an internal MX record (that the gateway mail server sees first) that points to the corporate exchange server. No loops. Secondly, procmail is not really necessary; you could just use the standard sendmail features such as virtusertable or mailertable to accomplish routing mail from the gateway mail server to the corporate exchange server on a per- user and/or per-domain basis. Procmail can still be used for those domains/users, if nay, not being routed to the exchange server. Using open source programs such as sendmail/spamcop/clamav/spamassassin/mailscanner/mailwatch/mailstats as a front end to MS Exchange is a wicked spam/virus killing machine, indeed. My stats are to drop 147 spam and 16 viri and tag another 41 possible spam for action by the user email client out of a total of 405 messages processed. No false positives. A clean mailbox is a wonderful thing. -- Jim Flowers<jflowers@ezo.net> ---------- Original Message ----------- From: David Richards <davidr@skyforge.net> To: freebsd-isp@freebsd.org Sent: Thu, 23 Oct 2003 09:29:47 +0100 Subject: sendmail + spamassasin + corporate exchange server > hi > I am using sendmail + spamassassin to filter spam on a few > domains. I have procmail set up to forward the emails to another > account. What i would like to do is to be able to forward them to > our corporate exchange server. I have been stuck on getting the > filtered email to the exchange server. I normally create an endless > loop between our firewall and the sendmail . > > Does any one know a way to solve this or a better solution? > > -- > David Richards > Skyforge.Net > http://www.skyforge.net > > Cheap Dedicated servers > http://dedipower.com/r.php?id=7C47 > _______________________________________________ > freebsd-isp@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-isp > To unsubscribe, send any mail to "freebsd-isp-unsubscribe@freebsd.org" ------- End of Original Message -------
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