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Super easy HTML
email signatures

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Create Yours Now create your email signature now

How to setup an email signature in Mailbox by Dropbox on OSX

Install your HTML email signature in no time! Use our signature installer or follow our step-by-step guides to install your email signature in Mailbox.

It's never been easier to create a new email signature for Mailbox. Check out our beautiful email signature templates and easy to manage email signature software, that makes creating email signatures for Mailbox a breeze.

Before you start

Before you start

You will need:

  • Google Chrome or Mozilla Firefox installed. If you don't have either of these installed yet, you can install them from the links below.
  • Your email signature file (.html file) open in Google Chrome or Mozilla Firefox, or be logged into your Email Signature Rescue account with your signature open in Full Screen Preview.
  • To have Mailbox App open.

Next Step

Click on our Install: Step-by-Step Guide below to follow our written installation guide with screenshots.

If you run into any issues during your HTML email signature installation in Mailbox, please see the Troubleshooting FAQ for frequently asked questions, before contacting support through your member account.

Install: Step-by-Step Guide

Install: Step-by-Step Guide

IMPORTANT: Do NOT use Safari during the installation process as it may cause formatting issues. Copy your email signature from Google Chrome or Mozilla Firefox instead.


1
Step One

Login to your Email Signature Rescue account and click edit on the email signature you are setting up. Once you are in edit mode, click on the full screen preview button to open your email signature in a full screen view.

click full screen preview

If you don't have an account, open your supplied HTML file in Google Chrome or Mozilla Firefox.


2
Step Two

Once the Email Signature is open in your web browser, press CTRL + A (Command + A for Mac) to highlight the signature, then press CTRL + C (Command + C for Mac) to copy the signature.

ctrl a to select all

Important: Do not use your mouse to select the area, only use Ctrl + A (or Command + A) as you may miss out on grabbing some of the code.


3
Step Three

Open Mailbox for Mac OS.


4
Step Four

From your top toolbar, select Mailbox then Preferences.

Select Preferences

5
Step Five

Once your Preferences window opens, you should be on your Accounts screen, if not, select Accounts. At the bottom of your account preferences, click inside your Signature field and press Cmd + V to paste your email signature.

Paste your email signature in your settings

6
Step Six

Close your Preferences and compose a new email. Your email signature should be automatically inserted into your emails.

NOTE: If you don't see your email signature, it may be hidden by Mailbox. Click the ... icon to expand it.

Compose a new email

All Finished!

That's it. Try your email signature now by composing an email to yourself or a friend!

Troubleshooting: FAQ

Troubleshooting: FAQ

If you have tried our Written Instructions for installing your signature into Mailbox for Mac and you run into any issues, please read through this troubleshooting guide before contacting Support for further help.


My images are stacked under one another instead of side-by-side

This issue occurs when copying your email signature from Safari. If you're experiencing this, you will need to open your email signature's HTML file in Google Chrome or Mozilla Firefox (or be logged into your Email Signature Rescue account using Chrome or Firefox if copying from Fullscreen Preview) then copy the signature from there.


My email signature doesn't look right when I paste it or send an email

More than likely, you have used your mouse to highlight the html email signature file in the browser. Don't use your mouse, only use Cmd + A (hold the Cmd key and press A at the same time) to select all of your email signature. If you use your mouse, you may miss out on some of the vital code needed to make your signature work correctly.

Another cause to this could be that you've used Safari to copy your email signature from and not Google Chrome or Mozilla Firefox. Using Safari will cause formatting issues. To resolve this, install Google Chrome or Mozilla Firefox from our Before You Start screen and copy your signature from one of these browsers instead.


I am composing an email and I can't click on any links or social media icons

In compose mode, most email programs won't allow you to use the links in your email signature. Check to see if your email signature has been installed correctly by sending a test email to yourself instead. The links and social media icons should work when you receive the email.


Need more help?

Please contact our Member Support Team through your Email Signature Rescue account using the red help button for direct assistance.

Troubleshooting: Where do I find my email signature HTML file

Troubleshooting: Where do I find my email signature HTML file

  • If you are an Email Signature Rescue member and are logged into your account, you can download your HTML file directly from your Dashboard, by clicking on the Download button.
  • If you have been emailed your HTML file, go to the email and open the file in Google Chrome or Mozilla Firefox.
  • If you have your HTML file saved on your computer hard drive, navigate to where you have saved the HTML file and open with Google Chrome or Mozilla Firefox.

Troubleshooting: I don't have an email signature HTML file

Troubleshooting: I don't have an email signature HTML file

If you don't have an email signature HTML file, consider joining Email Signature Rescue now and get creating! We offer over 20 professionally designed and tested email signature templates, tools and features to create and manage your email signatures online and a whole lot more.

Join Email Signature Rescue now

Everything you need to create, customize, manage and deploy HTML email signatures.

No Design Skills

No design skills required. Your signatures will look as beautiful as our examples. 20 easy to customize templates included.

No Tech Knowledge

Whether you’re a solo business owner, hairdresser, real estate agent or dog walker, anyone can create and install a signature!

Works With

Install in nearly all major email clients including Gmail, Apple Mail, Outlook, iOS and more. 50+ email clients, apps and software supported.

Reliable & Tested

We refine our HTML code and conduct extensive testing regularly to ensure it is industry-leading and works across all major email clients.

Save Time

Create, customize, edit, manage and deploy HTML email signatures from one central, easy to use system.

Save Money

No expensive IT staff, developers or designers needed. From signature design, to installation and support, we take care of it all.

Easy Duplication

10, 20, 30 or 100 staff? No worries! Duplicate signatures you’ve already created from the Dashboard to create multiple signatures quickly.

Support if you need it

Hit a snag? Help is only an email away. We're here for help with any design, installation and technical issues, should you need us.

Email Signature Software for Businesses and Designers.