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Disclaimer: This post was originally published in 2015. The email clients listed and information regarding them may be out of date.


Questions regarding the use of iframes in email come up from time to time. Whether it be to do with adding content from a site, or a Facebook or Twitter widget, we thought it’d be helpful to do some thorough tests of our own.

So, what was the verdict? After testing an email with iframes across 24 major web, desktop, and mobile clients, we found that the results weren’t particularly promising. As iframes can potentially link to shady or plain malicious content (like scripts), a lot of email clients just disable them.

Here’s a breakdown of which email clients display iframes, and which ones do away with them altogether:

Client Iframe displays?
AOL Webmail No
Gmail No
Windows Live Hotmail No
MobileMe No
Yahoo! Mail No
AOL 9 No
Apple Mail 3 / 4 Yes
Entourage 2008 No
Lotus Notes 6 / 7 No
Lotus Notes 8 Yes
Outlook 2000 Yes
Outlook Express 6 Yes
Outlook XP / 2003 / 2007 / 2010 No
Thunderbird Yes
Windows Mail Yes
Blackberry No
iPhone / iPad Yes
Symbian S60 Yes
Windows Mobile 5 No
Windows Mobile 6 Yes
Android (default client) Yes
Android (Gmail client) No

Wrap up

Our advice: given the notably poor adoption of iframes, we seriously discourage you from using them. Even though this means you may not be able to add a “like” button or a live video to your email, there are always other ways to accomplish your goals.

Questions on what exactly you can do in an ESP? Check out some of these guides and resources:

This blog provides general information and discussion about email marketing and related subjects. The content provided in this blog ("Content”), should not be construed as and is not intended to constitute financial, legal or tax advice. You should seek the advice of professionals prior to acting upon any information contained in the Content. All Content is provided strictly “as is” and we make no warranty or representation of any kind regarding the Content.
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