I have several options selected
smtp security
relay mail for internal addresses only (on my network)
allow remote mail to local groups is checked.
check valid sender is checked
aut deny possible hack attempts is checked.
disable smtp vrfy command is checked.
people are still able to relay mail from my server without authenticating.
Im about 1 day away from my UPPER ISP providor filtering mail to my servers
cause I cant stop the spam! I have even denied access to the offenders
causing the spam, and emailed the proper authorites. But new spam servers
pop up everyday relaying through my secured smtp server (secured hah)
Ive been at this for 5 days. Can I get any suggestions??
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