Phil Pennock wrote:
> For now, I'd be inclined to allow underscore on the submission port but
> not the MX port. This isn't currently possible in Exim.
helo_allow_chars = _
deny condition = ${if eq{$received_port}{25}}
condition = ${if match{$sender_helo_name}{_}}
message = Underscores not allowed on the MX port
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Mike Cardwell - IT Consultant and LAMP developer
Cardwell IT Ltd. (UK Reg'd Company #06920226) http://cardwellit.com/
Technical Blog: https://secure.grepular.com/blog/
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