I was wondering if it possible to
configure Qmail so it only accepts e-mails from a specific IP addresses? We use
a spam service called Postini and our MX record now points to the Postini mail servers. However, lately we noticed some e-mails are
being forwarded directly to our Qmail
server thus bypassing our spam service. I called the Postini support line and
they said Port 25 on my Qmail server is open.
Can you help me by
telling me where I can find documentation to configure our Qmail server so it
will only accept inbound e-mails from the Postini server? Any help you can offer will be
greatly appreciated.
Thanks.
Regards,
Colin
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