OT: Invalid domain name during SMTP test

[Matt Hampton]

> It is a very long time since I could call myself anything even close
> to a sendmail guru (editing the cf file directly was the norm
> then:-)... But even back then you could certainly lie as necessary by
> just setting the darned thing directly. I'd imagine this to be an m4
> macro these days (that probably defaults to hostname as perceived by
> the resolver/hostname command:-).
> 

M4

define(`confDOMAIN_NAME', `myexternalhostname')

is probably what you are thinking about

or for cf hacking

Djmyexternalhostname


matt