From owner-freebsd-isp  Tue Jan 27 15:39:29 1998
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Date: Tue, 27 Jan 1998 15:35:39 -0800 (PST)
From: "Eric J. Schwertfeger" <ejs@bfd.com>
To: Karl Pielorz <kpielorz@tdx.co.uk>
cc: isp@FreeBSD.ORG
Subject: Re: Sendmail - setting 'verify only'
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On Tue, 27 Jan 1998, Karl Pielorz wrote:

> Can anyone tell me what I need to set / adjust (and recompile) in sendmail
> to stop sendmail from expanding all the VRFY names it's given?
> 
> Also, if theres a way to disable EXPN or make it just return the name it
> was sent...?

Don't recompile, there are command-line options for this.

sendmail_flags="-bd -q5m -opnoexpn"

in your /etc/rc.conf or /etc/sysconfig as appropriate will disable
expansion. we left VRFY on, but it returns unexpanded with this option in
effect.