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email signature rescue

Using retina images in your email signature

It's only possible to use retina images with a small number of email clients. Email Signature Rescue now supports the use of retina images however please keep in mind that yours or your recipient's mail client may not.

To upload retina compatible images into your signature, please follow How to resolve large and blurry images on retina and hi-res devices.

Are your images appearing a little fuzzy or low quality?

If your images aren't quite as crisp as you would like them to appear, here's some things you can try:

1. Upload your images in 300 DPI. Whilst 72 DPI is the standard resolution for monitors, you will find that uploading your images in 300 DPI can resolve clarity issues. 300 DPI has generally been used for print works in the past however is becoming more useful in the digital world now that devices are using higher quality displays.

2. Images should be in RGB format not CMYK. CMYK is used for printing, RGB is used for viewing on computer screens.

3. If using Outlook 2007, Outlook 2010 or Outlook 2013, watch our video on installing your signature using the Advanced Method here. This fixes the quality of all images in your email signature and explains why the image quality is low, if installing your signature just using copy and paste.

4. Ensure that your Windows settings in Control Panel > Display > Text Size are set to 100%. If it's set to either 125% or 150%, this can also affect the size and quality of the images you send.
Note: If you're using an Ultra HD device like a Surface Pro then you will find 150% or 200% is necessary. See this article for further help if using one of these devices.

Email clients that strip out the head of your HTML signature

Desktop Email Clients Do not strip out the head of HTML
Outlook 2003
Outlook 2007
Outlook 2010
Outlook 2013
Outlook Mac (2011)
Apple Mail (Mavericks OSX 10.9)
Windows Live Mail
Postbox on Windows
Postbox on Mac
Web-based Email Clients Do not strip out the head of HTML
Office 365
Yahoo Mail
Mobile Email Clients Do not strip out the head of HTML
Mail App iPhone/iPad/iPod iOS 7 BETA
Gmail App iPhone/iPad/iPod iOS 7 BETA
Over 100,000 email signatures created with Email Signature Rescue
  • logo century21
  • logo culturetrip
  • logo dudeperfect
  • logo experiencekissimmee
  • logo kw
  • logo mcafee
  • logo remax
  • logo seattleu
  • logo ucdavis
  • logo umg

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.

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

Email Signature Software for Businesses and Designers.