How to Best Reach Support.

Email and phone info for easy reference.


Encrypted Email Recipients: Recipients of encrypted email who need assistance should contact the sending organization's support group. This support contact information is provided on the portal login page.

ZixMail Non-Corporate Customers: To open a ticket, please email Please allow up to 6 business hours for email responses.

ZixGateway, ZixOne and ZixMail Corporate Customers: Corporate customer administrators may contact us by phone, email or through our support portal. Our support number is 888-576-4949.

Our support business hours are 7 a.m. CT to 7 p.m. CT. Corporate customers may request emergency phone assistance outside normal business hours.