If this happens, click the signed icon in your message an x replaces the checkmark, indicating the message will be sent unsigned. Move the pointer over the From field, click the pop-up menu. Some mailing lists reject digitally signed messages because the signature is treated as an attachment. Send digitally signed and encrypted emails In the Mail app on your Mac, choose File > New Message. If you don’t have a certificate for every recipient, click the encrypted icon in your message an open lock replaces the closed lock, indicating the message will be sent unencrypted. Move the pointer over the From field, click the pop-up menu that appears, then choose the account for which you have a personal certificate in your keychain.Ī signed icon (containing a checkmark) is shown in the message header and indicates your message will be signed when you send it.Īn encrypted icon (containing a closed lock) is shown if your keychain contains a personal certificate for every recipient.

In the Mail app on your Mac, choose File > New Message. To send encrypted messages, the recipient’s certificate must be in your keychain.

To send signed messages, you must have a personal certificate in your keychain.

Use information found in Mail in other appsĪ digitally signed message lets your recipients verify your identity as the sender an encrypted message offers an even higher level of security.View, save, or delete email attachments.Temporarily stop using an email account.

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