What do I do if Zix messages or confirmation notices are being categorized as "bulk" or "SPAM" by my mail provider or desktop software?
Contact your IT department and have them white list the IP address (typically smtpout.zixmail.net) for inbound mail.
What IP addresses does the Secure Message Portal use?
Zix Secure Message Portals will use a variety of IP address:
The Secure Message web sites are typically in the below IP range:
Notices sent from the portal will typically come from smtpout.zixmail.net, (which is IP addresses 188.8.131.52 through 184.108.40.206) but can also come from one of the above ranges as well.