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How to send email?

To send the email successfully to onion.emal receiver's address you need to follow the steps below:

  1. Provide your Core ID with one of the following ways:
    1. Create your own email address with your Core ID, e.g. cb00…@yourprovider.com
    2. Append your Core ID into your email address, e.g. yourname+cb00…@yourprovider.com
    3. Define your Core ID as your name in your email client settings (first or second name).
    4. Add your Core ID to the email's headers items, e.g. X-Coreid: cb00…
  2. Encrypt your email's body with receiver GPG/PGP key. You can find the key on the dabase of public keys, e.g. keys.openpgp.org or pgp.mit.edu. Otherwise ask the receiver about his public key.

Outlook example​

Manual how to send email from Outlook to onion.email receiver's address: Send a digitally signed or encrypted message.

Thunderbird example​

Manual how to send email from Thunderbird to onion.email receiver's address: Digitally Signing and Encrypting Messages.

MailMate example​

Manual how to set CoreID in MailMate to automate the workflow process.

To learn more about OpenPGP and S/MIME support in MailMate, see the Security section of the manual.