How to Send iPhone Mail From a Different Account

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The stock Mail app for iOS sends and receives emails from one or more accounts. After you've configured a second (or subsequent) email account, you'll unlock the functionality to specify the outgoing account for a given message.

This procedure was tested on iOS 12, but it works on all currently supported prior versions of iOS.

How to Send Mail From a Different Account in iOS Mail

To choose the account from which an email or reply you are composing in iPhone Mail will be sent:

  1. Start with a new message or reply in iPhone Mail.

  2. Tap Cc/Bcc, From.

  3. Tap the From line.

  4. Choose the desired address from the scrolling menu at the bottom of the window.

    iOS Mail new message window
    iOS Mail new-message window with account selector activated
    iOS Mail window with new-message window open
  5. Continue addressing, composing, and sending the message.

Using Several Accounts in iOS Mail

When you change the from line of your outgoing message, you also change the account from which the message is sent. For example, if you've enrolled an iCloud and a Gmail account on your iPhone, and you switch from one account to the other when you send a message, then the outgoing message will appear in that account's Sent Mail folder, and replies will come to the inbox of the account that sent it.

In other words: You're changing the account, not merely the address, that governs that particular message.