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Someone is sending fake mail through my exim server.
My relay works like this: (POP-before-SMTP)
When the person checks e-mail the POP (insert into relay values (local_part, domain, ip, time)
on an mysql database.
But when eXim checks for relay he only (select ip from relay where date_sub(now(), interval 15 minute) < time)
Is there any way to check the From of a sending mail ?
like, (select local_part, domain where date_sub(now(), interval 15 minute) < time)
when a domains its no local.
An example:
test@??? checks his email. So we have this on the mysql: (test, test.com, 127.0.0.1, 23:00:00)
When test want to send an email he issues:
From: test@???
When eXim receives, is my question, it would check it, like:
select local_part, domain where user="test" and domain="test.com" and date_sub(now(), interval 15 minute) < time)
Its possible ?
Any example on how could this work ?
