Check for problems logging in to email accounts or with the incoming Mail server, or with firewall software blocking network traffic.Ĭheck whether you’re affected by another firewall, such as software installed separately from macOS or built into an internet sharing router, or administered by your email account provider. Try quitting Mail, then opening it again.Ĭhoose Window > Connection Doctor, then follow any instructions in the Details column. If you’re missing emails from a specific person or group, check whether you blocked messages from them.

Try sorting messages in the message list by Date or another attribute, or searching for messages, to verify if you received them.Ĭheck whether your account is offline or disabled (inactive). See View Mail activity.Ĭheck if you’re using filters in the message list that are preventing expected messages from being shown.

Use information found in Mail in other appsĬheck whether Mail is retrieving a large message or a message with large attachments.

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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