Re: [exim] Exim rejects: syntactically invalid argument

Top Page
Delete this message
Reply to this message
Author: Walt Reed
Date:  
To: Herb Martin
CC: exim-users
Subject: Re: [exim] Exim rejects: syntactically invalid argument
On Tue, Sep 27, 2005 at 07:10:03PM -0500, Herb Martin said:
> > -----Original Message-----
> > From: Scott Call [mailto:scall@devolution.com]
> > > What is the thinking on "helo_allow_chars = _" -- other
> > than "I want
> > > to receive their email" is there a reason to accept or reject such?
> >
> > It's purpose is to allow certain exceptions (like _) to the
> > RFC allowed helo characters.
> >
> > This was you can allow _ but still disallow other prohibited
> > characters that are usually the hallmark of spamware.
>
> Sorry, I meant the question the other way around:
>  Do most people think that accepting _underscore is
>    useful approach?  Trouble?


Depends. I found a fair number of federal agencies running Microsoft's
famous software that have been configure with hostnames with
underscores. For personal use? sure, block 'em. Corporate use or paid
clients? I wouldn't....