[ On Friday, March 15, 2002 at 00:41:25 (-0500), Dean Brooks wrote: ]
> Subject: Re: [Exim] HELO syntax checking in Exim 4
>
> My concern is that many sites may set accept_helo_junk_hosts to deal
> with this, which actually makes a worse deviation from RFC than simply
> permitting the underscore itself.
The point is that if you're going to allow underscores then you may as
well allow all the other things that are commonly used but which cannot
possibly be valid hostnames (and which are not literal IP addresses :-).
You (and we) only gain something if you enforce the actual rules, not
some abberations of your own invention.
--
Greg A. Woods
+1 416 218-0098; <gwoods@???>; <g.a.woods@???>; <woods@???>
Planix, Inc. <woods@???>; VE3TCP; Secrets of the Weird <woods@???>