Flag or block emails in Mail on iPhone
In the Mail app , you can flag important emails, create flagged mailboxes, and flag emails from VIPs. You can also block emails from specified senders.
Flag an email
You can flag an important email to make it easier to find later. An email you flag remains in your Inbox and also appears in the Flagged mailbox.
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Open the email, tap
, then tap Flag.
To choose a color for the flag, tap a colored dot.
To change or remove a flag, open the email, tap
, then select another color, or tap Unflag.
Note: Flags you add to an email appear on that email in Mail on all your Apple devices where you’re signed in with the same Apple ID.
Create a Flagged mailbox
You can add a Flagged mailbox so all your flagged emails are easily accessible in one location.
Tap
in the upper-left corner until you see Mailboxes.
Tap Edit, then select Flagged.
Flag emails from your VIPs
Add important people to your VIP list, so their emails appear with a VIP flag and in the VIP mailbox. See Add someone to your contacts or make them a VIP.
Block email from specified senders
You can block an email address to prevent a particular sender from emailing you in the future.
Tap their email address, then select Block this Contact.