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Solution home SpamTitan Knowledge Base Getting Started: SpamTitan Cloud (SaaS)


STEP 7: LOCK DOWN YOUR MAIL SERVER PRINT

Modified on: Wed, 14 Sep, 2022 at 7:00 PM

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Following best security practice, you should lock down your email server to only
accept email from SpamTitan Cloud. Leaving it open to accept email from other
sources leaves your mail server exposed to an attack and limits the
effectiveness of SpamTitan Cloud.

If you are an Office 365 customer, see Locking down your Office 365 mail server.


IMPORTANT

The IP addresses below are for new SpamTitan Cloud customers completing their
initial setup.

If you are an existing customer, you may be using different IP addresses. See
SpamTitan Cloud Server IP Addresses for more information.

Set up your email server to only accept mail from the following FQDN IP
addresses:

 * cloudv.spamtitan.com  ( 18.188.207.172 )

 * cloudw.spamtitan.com  ( 18.190.56.214 )

 * cloudx.spamtitan.com  ( 18.216.101.235 )

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