+44-20-7993-8937
  • Free email certificate automation
    MeSign APP applies and configures email certificate automatically within 2 minutes, then you can send encrypted email immediately.
  • No need to exchange the public key
    No need to exchange public key in advance. Send encrypted emails directly with public keys automatically exchanged for you.
  • Timestamp every email automatically
    Timestamp every email you send to prove the email sent time is trusted, anti-tamper, non-repudiation.
MeSign, an attitude to the online life. Protect online privacy. 
Encrypt and digitally sign every email automatically.  
Secure personal privacy and business secrets with automatic email encryption

Our technology, your email security.

  • MVS
  • MTS
  • CDB
  • MCR
  • MSS
  • MCA
  • MKM
MeSign Cryptographic Infrastructure“Cloud” and ”Local” work seamless to encrypt and digitally sign email automatically.
  • MeSign APP
  • MeSign APP
  • EKMS
  • MESG
  • Call Email API

Offers for education and nonprofit

For Schools, Teachers, Students

With a valid school email address(*.edu.##), get all charged service for 50% off discount

For Nonprofit Organizations

Nonprofit organization might be eligible for 50% off discount for all charged service

Our customers are all over the world and all walks of life
Hundreds of thousands of users in more than 171 countries and regions are using our products and services

Choose MeSign, Choose to protect personal privacy.

Choose MeSign, Choose to protect business secrets.