Re: Can I blacklist foreign IP addresses and whitelist certain senders?

elizabethkono@xxxxxxxxx wrote:

I work for a school and very few people receive email from other
countries yet the email headers of 99% of the spam that is getting
through our filtering software is from foreign IP addresses (china,
korea, spain, etc.). We use GFI mail essentials but it has not been as
effective as we'd like. I want to blacklist foreign smtp servers but
still be able to whitelist certain senders based on their email
address. GFI does not allow this and exchange's virtual smtp server can
block ip addresses but it won't allow for exceptions based on sender
email address. For example, block all IP addresses from Korea unless
the sender is jsmith@xxxxxxxxxxxxxx Any ideas?

Try Open relay Filter (http://www.vamsoft.com/orf).

--
Rich Matheisen
MCSE+I, Exchange MVP
MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
Don't send mail to this address mailto:h.pott@xxxxxxxxxxxxx
Or to these, either: mailto:h.pott@xxxxxxxxxxxxxxx mailto:melvin.mcphucknuckle@xxxxxxxxxxxxx mailto:melvin.mcphucknuckle@xxxxxxxxxxxxxxx
.

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