If you set 'smtp_server_name' to a real smtp server and you got that error, then you are not allowed to use that smtp server to relay mail. It is a common setup to prevent unscrupulous people to mail huge quantities of junk e-mail...

Ciao, Valerio

In reply to Re: Mail::Sender problem - user unknown on host by valdez
in thread Mail::Sender problem - user unknown on host by ph0enix

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