How to Send an Email with a Different “From” Address in Outlook

If you’ve gotten a number of electronic mail accounts in Microsoft Outlook, you may change the “From” handle in a new electronic mail. This is faster than swapping to a completely different inbox, and allows you to ship emails from completely different addresses, even when they aren’t your individual. Here’s how—with some caveats.

Outlook helps you to ship emails from any account you’ve set up in the e-mail shopper, but additionally from another electronic mail handle, even in case you haven’t set it up. That sounds worrying—and in some circumstances it’s—however there are authentic causes to use this performance in addition to nefarious ones.

We’ll undergo how this works, and the way electronic mail suppliers forestall individuals from utilizing it for dangerous functions.

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Quickly Switch between Email Addresses

First, let’s undergo the totally authentic course of. To change the “From” handle, you want to make the “From” subject seen. Open a new electronic mail in Microsoft Outlook after which click on Options > From. This will make the “From” subject seen.


To change the “From” handle, click on the “From” button and choose one of many electronic mail addresses you’ve added to Outlook.


The electronic mail handle in the “From” subject will change, and while you ship an electronic mail, will probably be despatched from that handle.


If all you need to do is shortly swap between your electronic mail accounts while you’re sending emails, that’s all there may be to it.

But, what in order for you to ship an electronic mail from an account that you just haven’t added to Outlook? Well, Outlook will allow you to do this, too, below sure circumstances.

Compose a new electronic mail after which click on on the “From” button once more. From there, choose the “Other Email Address” choice.


In the panel that opens, sort in the handle you need to ship an electronic mail from and click on “OK.”


Now ship the message as regular. Will the e-mail ship, or will you get a supply failure notification? And if it does ship, will the recipient see it as coming from the e-mail handle you used, even when it’s not yours?

Both of these solutions are depending on who your electronic mail supplier is.

How Email Providers Handle Messages Sent From a Different “From” Address

Microsoft Outlook itself, and different electronic mail purchasers like Thunderbird or Apple Mail, don’t do any checking on the e-mail handle from which you ship. The shopper merely sends the e-mail to your supplier’s SMTP server (Simple Mail Transfer Protocol server, usually known as a mail server), and lets the SMTP server determine what to do with your electronic mail.

What will occur with your electronic mail is totally depending on how your electronic mail supplier’s SMTP server is configured.

The massive electronic mail suppliers, comparable to Google, Microsoft, Apple, and Yahoo, use one thing known as SPF (Sender Policy Framework), DMARC (Domain-based Message Authentication, Reporting, and Conformance), and DKIM (Domain Keys Identified Mail) to forestall (amongst different issues) individuals from sending emails from addresses (spoofing) that aren’t theirs. How every supplier handles this case is a bit completely different.

RELATED: Why Am I Getting Spam From My Own Email Address?

Google merely ignores the brand new electronic mail handle you’ve used, and the recipient will see your Gmail handle. In our instance in the screenshots, Outlook despatched the e-mail to Gmail’s SMTP server, which labored out that the e-mail handle we had been sending from—[email protected]—doesn’t belong to us, and so as an alternative the recipient acquired an electronic mail from our authentic Gmail handle.

Microsoft-hosted electronic mail accounts do issues a bit in a different way. If you strive to ship an electronic mail from an handle that you just don’t have permission to entry, a Microsoft electronic mail server (generally referred to as an Exchange server) won’t ship the e-mail. You’ll obtain a Delivery Failure Notification as an alternative.

An example of a Delivery Failure Notification.

However, if your organization makes use of a Microsoft Exchange server to deal with its electronic mail, it’s usually configured to enable you to ship an electronic mail from any account you’ve gotten entry to, even when that account has not been added to your Outlook.

For instance, if in case you have permission to ship emails from “[email protected],” Outlook will ship the e-mail to the Exchange server and examine that you’ve got permission to ship emails from the handle. The server will then ship the e-mail to the recipient, no matter whether or not you’ve added the “[email protected]” account to Outlook.

Other electronic mail suppliers will normally deal with emails with the “improper” handle in a comparable method to both Google or Microsoft. The easiest method to discover out is to strive it in Outlook and see what occurs. Check your supplier’s phrases first although, as some may need a provision in opposition to doing this.

How Do Scammers Use Fake “From” Addresses?

Large electronic mail suppliers have every kind of checks and protocols to strive to discover spam and phishing emails, together with emails despatched from a pretend handle. Scammers and phishers don’t use the massive suppliers—they arrange their very own SMTP servers and ship emails via these as an alternative.

Scammers arrange their SMTP servers to enable all of their emails although, forcing giant suppliers like Google and Microsoft into a fixed arms race to detect and cease rip-off and phishing emails from stepping into your inbox.

RELATED: How Scammers Forge Email Addresses, and How You Can Tell

Your electronic mail supplier, be that Microsoft, Google, Apple, Yahoo, or another supplier, scans the email headers of each electronic mail you obtain. One of the issues these firms search for is that the “From” handle matches the “Sender” handle. If they don’t match, particularly in the event that they’re from utterly completely different domains, that’s a pink flag. It’s not the one factor that electronic mail suppliers use to decide if an electronic mail is suspicious, nevertheless it’s one of many extra vital checks they do.

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