IP Addresses for Firewalls
Filtered email from us will come from the following IP addresses to your mail server.  We recommend restricting your firewalls to only allow SMTP traffic fr...
Mon, 23 Jan, 2017 at 7:21 AM
MX Records
Please make sure you use all of the following MX records and replace "domain.com" with your domain.  Please be sure that these are the only mx rec...
Mon, 23 Jan, 2017 at 7:22 AM
What is the maximum message size allowed?
The maximum size of an email with its attachments is a total of 100 MB.
Thu, 3 Aug, 2017 at 12:20 AM