How to Easily Forward Email with Full Headers from Within Mac Mail

If you find this useful please share it!


If you have a Mac, and on occasion want to forward an email including all of the headers (such as, say, when reporting spam), you may have noticed that starting with a few iterations of OS X back, you could no longer easily populate a forwarding or replying email with the full headers of said email.

In fact, it required as many as 4 steps: view the full headers of the email that you want to forward, copy the major part of the headers and paste them into a new email, go back and copy the To: and From: headers (because they don’t copy with the full headers), and paste those into the new email. What a hassle!

Fortunately, Jeevanandam over at has created a Mac Mail plugin to restore the functionality of being able to forward an email with full headers easily, and without all of that copying and pasting!


The ReplyWithHeader Mac mail plugin is, says MyJeeva, an Apple Mail Bundle (a.k.a. plugin) to enable quoting of the email message header and automatic default signature while replying or forwarding an email.

And we’re here to tell you that it works!

Once you install the ReplyWithHeaders bundle you will see a new option under your Mail preferences.

reply with headers icon


Clicking on RWH (Reply with Headers) brings you to the Reply With Headers preferences pane.

The Mac Mail Reply With Headers Preference Pane
the Mac reply with header preferences pane

We know you're sick of ads on websites. But we still need to pay to keep the lights on for you. So instead of huge ads and video ads, we use smaller, plainer ads. Still, if you'd like to support the Internet Patrol but not the ads, please consider supporting us here:
Donate via Paypal
Other Amount:

As you can see, there are many options, including rendering the headers in either Apple or Outlook style.

The ‘Manage Signatures’ section gives you the option of enabling or disabling your signature when forwarding and replying, and also of assigning a particular signature for email which you are forwarding or to which you are replying.

(Article continues below)
Get notified of new Internet Patrol articles for free!
Or Read Internet Patrol Articles Right in Your Inbox!
as Soon as They are Published! Only $1 a Month!

Imagine being able to read full articles right in your email, or on your phone, without ever having to click through to the website unless you want to! Just $1 a month and you can cancel at any time!
How to Easily Forward Email with Full Headers from Within Mac Mail

reply with headers signature management

The only nit we have to pick with this plugin is that when you have it enabled it will include full signatures in every email to which you reply, or which you forward. We would like to see a way to enable and disable ReplyWithHeaders without having to go into Mail preferences each time to toggle it on and off. We have finessed this by leaving the preferences pane open, hanging out and there for us to quickly check or uncheck the RWH enable option.

reply with headers enable disable

But that inconvenience is a small price to pay to be able to easily turn this:

reply with headers disabled


into this:

reply with headers enabled


You can download ReplyWithHeaders here.

No Paywall Here!
The Internet Patrol is and always has been free. We don't hide our articles behind a paywall, or restrict the number of articles you can read in a month if you don't give us money. That said, it does cost us money to run the site, so if something you read here was helpful or useful, won't you consider donating something to help keep the Internet Patrol free? Thank you!

How to Easily Forward Email with Full Headers from Within Mac Mail

Get notified of new Internet Patrol articles!

If you find this useful please share it!

Leave a Reply

Your email address will not be published. Required fields are marked *