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current server configurations.
Depending upon which
type of mail server you are currently using (Exchange, GroupWise,
etc.), the settings for open relay may be adjustable. Check to see
that all SMTP, SMTP Relay, and/or SMTP Authentication settings are
configured correctly to disallow relaying. Optionally, you may wish
to limit the relay permissions to the IP range of the domains currently
Use our Spam
Lookup Tool to determine if your domain is currently listed within
any black-hole lists.
If you determine your
domain is listed on any of the black-hole lists, follow the link
to the corresponding web site. Follow the delisting procedure carefully.
List removal may be fairly easy, or may require changes to your
current configuration. Confirm all delisting requirements are met
before requesting removal.
shelter your MX record(s) with state-of-the-art anti-spam filtering
located outside your network.
By sheltering your
mail exchange records from the outside world, spammers are unable
to see your mail server. Therefore, it is less likely the server
will be infiltrated. These services offer multiple-layer threat
protection, effectively stopping attacks before reaching your network.
As a result, your organization will see a reduction in bandwidth
consumption, mail server CPU cycles, message storage, and IT labor
here to learn more.