Date: Wed, 1 Jan 1997 14:51:42 +0000 (GMT) From: Dermot Bradley <bradley@mourne.gpl.net> To: Samara McCord <mccord@zytek.com> Cc: freebsd-isp@FreeBSD.org Subject: Re: Usernames (was Sendmail, POP3 & RADIUS, etc.) Message-ID: <Pine.LNX.3.91.970101144645.28599A-100000@mourne.gpl.net> In-Reply-To: <199612312029.MAA08525@syzygy.zytek.com>
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On Tue, 31 Dec 1996, Samara McCord wrote: > I think this still misses the main point. Sure it's no problem to use > sendmail, etc. to convert any old name you want into unique *8 character* > names, but then the question is: HOW IS MAIL RETRIEVED?. Most people > are willing to accept 8-character usernames for email, but here is the > problem: we have a dozen separate domains from separate companies all > on the same machine with the same POP server and the same password > file. We use a locally written delivery agent for sendmail and a modified version of Qualcomm qpopper for virtual domains. We have a DBM file for each virtual domain containing password details for each email account. For the relevant domains, sendmail calls our delivery agent. To retrieve email, the POP account for address bob@bigco.com would be bob@popmail.bigco.com - the pop server looks at the address/IP it as accessed as (one IP per virtual POP server), can differentiate between being called popmail.bigco.com and popmail.smallco.com and so uses a different DBM file and different directory for each domain. Dermot -- Dermot Bradley Email: bradley@gpl.net Communications Director Tel: +44 1232 572003 Genesis Project Ltd Fax: +44 1232 560553 Belfast & Coleraine & Desertmartin, N.I. WWW: http://www.gpl.net/
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