Looking at this subject answers, i've been wondering...
If the problem is telneting to port 25 of your internet-smtp-server,

Maybe if the smtp-server only accepts connections from hosts which are
MX from their domains (i mean: dns ptr check + mx check)

What do you, security people, think of it ?
Is there such a piece of code ?

Fernando.
MailBR - O e-mail do Brasil -- http://www.mailbr.com.br
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