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Mail User Guide
Mail App For Macbook
You can send a message to one or more people, or to a group email address, and show or hide their email addresses. If you have multiple email addresses, you can choose which address to send your messages from and even an address for receiving replies.
Send to individual email addresses
In the Mail app on your Mac, do one of the following:
- In an address field (such as To or Cc) of your message, type names or email addresses.As you type, Mail shows addresses that you previously used in Mail or that it finds in the Contacts app. If you’re connected to network servers—say at work or school—it also shows addresses found on those servers.
- Click an address field, then click the Add button that appears. Click a contact in the list, then click the email address.
Send to group email addresses
If you use groups in the Contacts app—say for a book club or cycling team—you can send messages to your groups.
- In the Mail app on your Mac, choose Mail > Preferences, click Composing, then deselect “When sending to a group, show all member addresses.”
- In an address field (such as To or Cc) of your message, type a group name.If you decide you want to use individual contacts instead of the group—maybe you want to omit a few people—click the arrow next to the group name, then choose Expand Group.
Tip: If someone in a group has multiple email addresses, you can choose which one to always use when you email the group. See Change addresses for contacts in a group.
Hide email addresses using Bcc
You can help protect the privacy of your recipients by sending your message so that recipients see “Undisclosed-recipients” in the To field, instead of each other’s email addresses.
- In the Mail app on your Mac, make sure the Bcc (Blind carbon copy) field is shown in the message window.If you don’t see the field, click the Header Fields button in the toolbar of the message window, then choose Bcc Address Field.
- Type your recipients’ addresses in the Bcc field.You can leave the To field blank.
Set your From email address
If you set up email aliases or use several email accounts, you can choose which address to use when you send your messages.
- In the Mail app on your Mac, move the pointer over the From field in your message.
- Click the pop-up menu that appears, then choose an email address.
If you want to use the same From address for all your messages, choose Mail > Preferences, click Composing, click the “Send new messages from” pop-up menu, then choose an email account. Or choose instead to have Mail automatically select the best address, based on the email address of the first recipient in your message, as well as the currently selected mailbox and message.
Set your Reply To email address
You can specify the address where you want to receive replies to your message.
- In the Mail app on your Mac, click the Header Fields button in the toolbar of the message window.
- Choose Reply-To Address Field, then enter the address where you want to receive replies to your message.
You can drag addresses between address fields and messages.
Some mail servers won’t send a message if even just one address is incorrect. Try to remove or correct invalid addresses, then send the message again.
You can import email addresses from other email apps into the Contacts app, to make the addresses available in Mail. See Import contacts.
See alsoAvoid using the wrong email addresses in Mail on MacWrite and send emails in Mail on MacUse Smart Addresses in Mail on MacDelete email addresses in Mail on MacCreate and use email signatures in Mail on Mac
To send encrypted messages, you need the recipient's certificate (public key). Mail accesses this certificate using one of two methods, depending on whether the recipient is in your Exchange environment. This article explains both methods.
Message encryption
When configuring S/MIME for your account, you can choose to 'Encrypt by Default' when composing new messages.
In iOS 13.4 and later, when you reply or forward a message, the encryption state of your message will match the state of the incoming message rather than your system default setting. You can also change the encryption state of an outgoing message using the blue lock icon:
Send encrypted messages to people in your Exchange environment
If your recipient is a user in the same Exchange environment, iOS can find the necessary certificate for message encryption.
Follow these steps to send encrypted messages to contacts in your Exchange environment:
- Compose a new message in Mail. Notice the unlocked lock icon, indicating that message encryption is enabled for your Exchange account.
- Begin addressing the message to a recipient in your Exchange organization.
- Mail consults the GAL to discover the recipient's S/MIME certificate.
- When Mail finds a certificate, a lock icon appears to the right of the recipient's contact name, and the address is highlighted in blue. Notice the larger blue lock icon—it can be used to toggle encryption for the message allowing you to easily compose both encrypted and an unencrypted messages.
- If you add a recipient and Mail can’t find the certificate, that address is highlighted in red and an unlocked icon appears to the right of the recipient's address. The message designation will now show unlocked and Unable to Encrypt.
Mail App For Mac Not Working
Send an encrypted message to someone outside your Exchange environment
If the intended recipient is outside the sender's Exchange environment or if the sender isn't using an Exchange account, the recipient's certificate must be installed on the device. Use these steps.
Mail App For Mac Multiple Accounts
- In a signed message from your intended recipient, tap the sender's address. Invalid signatures have a red question mark to the right of the sender's address. Mail indicates valid signatures with a blue check mark to the right of the sender's address.
- If the sender's certificate was issued by an unknown certificate authority, you can manually install the certificate for this email address. Tap View Certificate.
- To install and trust the sender's signing certificate, tap Install.
- The Install button changes color to red and reads Remove. Tap Done in the upper-right to complete the certificate-installation process.
- iOS associates this digital certificate with the recipient's email address, allowing for message encryption.