Email Encryption and Signature Frequently Asked Questions
If you cannot find the answer to your questions, welcome to submit your questions online, we will reply to you as soon as possible.
Home>Frequently Asked Questions
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- Core Questions
- Mailbox Setting
- Email Management
- Certificate Management
- Contact Setting
- Account Management
- Pro Edition
- Key Management
- Email Gateway
- Other Questions
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- There are 2 different editions of email encryption and digital signature services. What are the differences?
- Why emails need to be encrypted, digitally signed and timestamped?
- What is the special advantages between MeSign APP and other email client software?
- Why MeSign APP use S/MIME standard to implement email signature and email encryption?
- How to apply for a S/MIME email certificate? Free or charged?
- What algorithm does MeSign APP support?
- What the operating systems does MeSign APP support? Is MeSign APP compatible with other email clients?
- MeSign APP has already auto-configured a free email certificate for me, why do I need to apply for a charged publicly trusted email certificate?
- Why is the email encryption key automatically hosted in MeSign Cloud? How can users manage their keys locally?
- Do MeSign email encryption and document encryption solutions meet the requirement of various privacy protection compliances?
- How do I set up my email account in MeSign APP? What email protocols are supported?
- My mail server does not support SSL certificate. Can I use MeSign APP?
- A self-signed certificate has been deployed on my mail server, does MeSign APP support it?
- How many email addresses does MeSign APP support?
- Is MeSign APP checking the mail server’s SSL certificate status when it is setting up the email account?
- When I set up the email account in MeSign APP, it always warns me my password is wrong so that I cannot login to MeSign APP, but I can confirm the password is right. What is the reason?
- Email can be encrypted by default without exchanging the public keys in advance, how does MeSign APP get the public key of the receivers’ encrypting certificate?
- Will the email subject be encrypted? How can I verify the email has already been encrypted?
- I received an email with the subject ‘You have an encrypted voice message.’, what is this?
- Can the receiver decrypt the encrypted email that I sent by using other email clients rather than using MeSign APP?
- What do these icons
mean?
- Sending encrypted email is a default in MeSign APP, but can I choose not to encrypt my email?
- Why the email sent by the
certificate automatically configured by the system is displayed as
, and the
email sent by the certificate I imported is displayed as 
? - Since the email content is all encrypted, does it mean that the mail server no longer needs to deploy an SSL certificate?
- After deployed the full encryption of emails, it is difficult to deal with spam on the mail server side. Does MeSign has any good solutions or suggestions on this?
- I plan to encrypt all my personal confidential information to my mailbox. What should I do?
- MeSign APP will automatically configure an encrypting certificate and a signing certificate after the mailbox settings are completed correctly. How does MeSign ensure the security of the certificate private key?
- How to export the Encrypting Certificate and Signing Certificate that auto-configured by MeSign APP?
- My mailbox can send and receive emails normally after setting up correctly, but the default encrypting certificate and signing certificate have not been automatically configured, what should I do?
- I have email certificates issued by other CAs, can I import and use these certificates in MeSign APP? How to import them?
- Can I delete the Encrypting Certificate and the Signing Certificate that auto-configured in MeSign APP?
- I am worried about the security of the soft certificate on my mobile device, because the email was encrypted by this soft certificate. Do you support using USB Key hard certificate?
- How to renew my default Encrypting Certificate and Signing Certificate once it is expired?
- How do I apply for revoking my account certificate (the default encrypting certificate and signing certificate)?
- How can I protect my encrypted emails if my mobile phone is lost?
- Where is the contact person from in the "Contacts"?
- Can I check the "Contacts" person's certificate public key certificate?
- Can I scan QR code to add other MeSign users?
- How can I setup an email group? How do I send group email? Is there quantity limit on the group members?
- I want to use MeSign APP, is it necessary to register my MeSign APP account in MeSign website?
- What should I do to delete my MeSign APP account?
- How can I recover a deleted account?
- What is email signature service pro? Why is email trusted as important as email encryption?
- Why is MeSign Trusted Identity Validation Service? Why do I have to complete the Identity Validation when purchasing the Email Signature Service Pro?
- What are the differences between the free email signature service and charged email signature service pro?
- My company has purchased the Email signature service pro, will all the employees in my company be auto-configured a V3 email signing certificate for free?
- The free auto-configured V3 signing certificate doesn’t show the employee’s name, if we want to show the employee’s name on the email, how can we do?
- Why should emails sent by all important systems, such as banking system, e-government system, etc. should have trusted digital signatures?
- The private key of the free encrypting certificate auto-configured by MeSign APP is managed by MeSign Key Management System in cloud. If my company want to manage our keys in our on-premise, how to do?
- How to deploy MeSign Enterprise Key Management System? Is it a hardware product or a software product? Do I need to buy two machines to achieve hot backup operation?
- How much does it cost to deploy a MeSign Enterprise Key Management System?
- Can I buy a key management system produced by other manufacturers?
- My company has deployed email security gateway, but it doesn’t support decrypting encrypted email. Do we need to purchase MeSign Mail Gateway to replace the gateway that we use currently?
- Our company only need employees to be able to send encrypted emails, do we need to purchase MeSign Mail Gateway?
- Our company have been using Outlook, so it is unlikely to require all employees to change to MeSign APP. However, we want all employees’ emails can be encrypted, how to do?
- Does MeSign Email Gateway also detect malware email attachments like other email gateways?
- Does MeSign Email Gateway support Data Leak Prevention like other email gateways?
- Does MeSign Email Gateway support smart SPAM interception?
- Why do I need to purchase the MeSign Key Management Service or MeSign Enterprise Key Management System when deploying the MeSign Mail Gateway?
- If the email gateway deployed by our company already supports S/MIME email encryption and decryption, is it only necessary to deploy the MeSign Enterprise Key Management System?
- My company has adopted a VpN to ensure the security of email communications, do I still need to encrypt emails?
- What are the special innovations in MeSign APP’s user interface design?
- What is MeSign Global Public Key Certificate Database (CDB)?
- Why all service providers should send encrypted emails to its users?
- What kind of transformations do we need to make to our existing billing email system to support sending encrypted emails?
- I believe it is very necessary to send bank statements by encrypted emails. My concerns are that it is not convenient for users to receive encrypted emails, and MeSign APP has not been widely used. Do you think it is the time for sending encrypted bank statement emails?
- MeSign e-Mail API for retrieving public key is open for free, and the organization validated V4 signing certificate is also free. Is there any fee when we use the API?
- We are sending billing statement email with PDF file. Why do you recommend signing the email digitally? Are there any benefits?
- It is awesome to use encrypted email to replace cleartext SMS to send verification codes, but it requires user to install MeSign APP on their mobile phone. If they haven’t installed MeSign APP, any suggestions?
- Can you briefly introduce what are the special advantages when using encrypted emails to replace telephoned customer service?
- If using digital signed encrypted email to provide online customer service, how can we effectively and accurately bind user’s authentic identity?
- Is it free to submit public key to MeSign Public Key Certificate Database (CDB)? Is it limited to individuals or is it also open to organizations for batch submission?
- Our company has already established our own CA and KM system on premise, so how can MeSign APP be connected to our CA and KM system?
If you cannot find the answer to your questions, welcome to submit your questions online, we will reply to you as soon as possible.