Author: Mark R V Murray Date: To: thomas.hess CC: exim-users Subject: Re: [Exim] malformed address
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> Our host names which appear in MAIL From and other fields contain
> "_" - charachters, for example xyz_hp01.vs.dasa.de. This "_" seems
Don't do that - The underscore is illegal as a component in a domain
name. The fact that a lot of name servers accept it is bad luck.
> to confuse exim, as the message is being refused and I receive the
> following error mail as a result of sending a mail as
> hess@vr1e31_hp01.vs.dasa.de to hess@ve1hf3_xt3.vs.dasa.de, the new
> LINUX machine with exim running:
