underline in mailheader

[Martin Hepworth]

james

yeah groupwise is very picky, doesn't like dots '.' in headers either.

Of course thie is strictly correct just it's the only 'major' MTA I'm
aware of that is this particular about obeying the RFC.

And interestingly enough theres a thread running on nanog at the moment
about underscores in machine/domain names!

--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300


James Gray wrote:
> On Wed, 18 May 2005 10:52 pm, Martin Hepworth wrote:
>
>>yes, not a valid character for mail headers
>>
>>most MTA's don't mind but Novell's (I think) does.
>
>
> I believe you're right.  We had a user add a "custom" header to all his
> outgoing mail so that recipients would know for sure if it came from him
> (brain dead, but gotta admire the effort).  Sure enough, all our internal
> sendmail and exchange servers routed his mail correctly - as soon as it hit
> a Groupwise machine, it would bounce.
>
> Took me a while to track it down, but the header was something like (he even
> managed to get the "X" for eXperimental right!):
>
> X_ID_Verify:This_message_came_from_<NAME>
>
> I've since introduced our intrepid hero to PGP :P
>
> James
>
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