27 May 2024 
Support Center » Knowledgebase » Email Services » VIPRE Email Security (aka FuseMail) IP Ranges
 VIPRE Email Security (aka FuseMail) IP Ranges
To ensure all messages filtered by VIPRE Email Security (aka FuseMail) are delivered to your mail server, please add the following list of IPs to your firewall and/or mail server prior to redirecting your MX records.
Subnet IP
Subnet Mask
Net Mask
IP Range
/21 -
/24 -
/24 -
*IMPORTANT NOTE: Any customer using Office 365 or any other platform that will only accept CIDR format ranges of /24, we have broken down the list as follows:
Subnet IP CIDR Ranges

Article Details
Article ID: 311
Created On: 17 Mar 2016 11:00 AM

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