Due to the need to carry out maintenance works on 11 October 2026 (Sunday) from 09:00 to 15:00, the following services of the Macao Post and Telecommunications Bureau (CTT) Electronic Certification Services may experience instability during that period. We apologize for any inconvenience caused.

 

The affected services are as follows:

- Browsing and use of the Electronic Certification Services website (www.esigntrust.com)

- Online payment service of Electronic Certification Services

- Online Application of Electronic Certificate Service (including Personal, Government, and Corporate Certificates)

 

For any enquiries, please feel free to contact us (Tel: 2833 0338, Fax: 8299 5515, Email: enquiry@esigntrust.com).