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Hi all
I have a sendmail and i recieve an email in
every seconds from a random_address@aol.com and the
target is random_address@mycompany.hu. The
sender reply adress is random_address@yahoo.com.tw . So
when our mail server get this email it send back a reply mail how the user does
not exist. So they are using our mail server to spam the yahoo. What can i
do?
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