[Exim] Re: Error from Exchange server

On Fri, Feb 07, 2003 at 03:58:04PM -0800, Mark Edwards wrote:
> There's a server that's having trouble sending email to both of my exim
> machines; this is the error being logged:
>
> 2003-02-07 15:15:25 rejected EHLO from [64.221.212.2]: syntactically
> invalid argument(s): twinsoft_bdc.twinsoft
> 2003-02-07 15:15:25 rejected HELO from [64.221.212.2]: syntactically
> invalid argument(s): twinsoft_bdc.twinsoft
>
> Looking at that, I'd say the problem is that underscores are illegal in
> domain names,
Yes, underscores are strictly forbidden in domain names.

> but I wanted to run it by the experts before I insist to the Exchange
> admin that it's his problem.
This problem has been discussed more than a thousand times in this
mailing list :) You can force Exim to accept such crap but if you can
tell your windows admin to respect the standards, just do it !
--
Bernard Massot