If this happens, click the signed icon in your message an x replaces the checkmark, indicating the message will be sent unsigned. Some mailing lists reject digitally signed messages because the signature is treated as an attachment. 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. It can handle all your email accounts in one place and delivers convenient features such as smart folders, attachment markups, and VIP email alerts.

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. The Apple Mail application that ships with macOS is an easy-to-use email client optimized to work on Macs.

View, save, or delete email attachments.Use Remind Me to come back to emails later.

Reply to, forward, or follow up on emails.

Log out of or temporarily turn off an email account.

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