[K12OSN] WBEL Mail Server

Julius Szelagiewicz julius at turtle.com
Tue May 4 20:31:43 UTC 2004

On Tue, 4 May 2004, Jim Kronebusch wrote:

> > It is just a webmail client that connects to a POP/IMAP server.
> >
> > -Nick
> In that case I will assume and plugin for antivirus or spam would only
> affect webmail traffic?
no, wrong question asked. squirrelmail uses imapd deamon to authenticate
users and to obtain mail, that it presents in web format to the browser.
av and antispam have to happen *before* imapd gets to play with mail. they
need to happen at entry to a mail gate, usually they get fired up by
replacing plain sendmail waiting on port 25 by another process. scanmail
and mimedefang are just such processes. they in turn call spamassasin and
av to decide what to do with messegaes before delivering them to the mail
*server* process. julius

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