Google Chrome plans to distrust Symantec, GeoTrust, Thawte SSLs.   Chat Now  or    Call (888) 266-6361 to switch to a trusted SSL.

Certificate Support

Telephone and Email Support

+1 (888) 266-6361 (US)

+1 (703) 581-6361 (International)

Customers can also send inquiries to

Please have your order number available.

Ticketing System and knowledgebase

Comodo's certificate knowledge base contains answers to most SSL support questions and can be found at > knowledgebase > certificates

SSL customers also receive priority web-based support through our online ticketing system. To enroll:

  • Register an account at
  • Select 'Submit a ticket' then choose 'Certificates' as the department
  • Most tickets are answered within one hour

Support for Free Products

Most support questions for free Comodo products are resolved by browsing the knowledgebase and registering at the Comodo Forums. Chat and ticketing systems are also in place to help you.

1. Find answers to your questions at

2. Register an account at and submit a ticket.

3. Most tickets are answered within an hour but may take up to 1 day.

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