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HTML Display errors in different Email Clients

Delivery Updated on June 6, 2019

ISP’s like AOL, Yahoo, Gmail, and many others can cause emails to have a different appearance in their inbox. Not to mention that different browsers can also affect the look of an email. Benchmark is determined to help our clients have the best looking emails. By using our Drag n Drop editor you can ensure your emails will be mobile friendly, and if this isn’t enough we also provide an Inbox Checker feature, which allows you to view the way your email will look even before it reaches your contact’s inbox.

Best Practices for Creating Email Campaigns

Some email clients have certain restrictions no ESP can avoid. Here are points to consider for emails to display the same regardless of the email client or device being used to view it:

  • Use our Drag and Drop Editor- All email templates in the Drag and Drop editor are mobile-responsive
  • Link email to the web version:  Include the webpage version link in your email. Some email clients don’t comply to internet standards and may cause your email to look jumbled. (Enable this in Step one of creating your email)
  • Background Images – The background color of an image will show when an email program can not display the image. Edit your background color to help the font color stand out. Not doing so may cause your email to appear blank.
  • Add Alt Text to Images – Alt text is used to describe images used in an email campaign. Most of the Email Clients do not display images automatically. Alt Text helps by providing a description of those images. The images with Alt text are least prone to be blocked
  • Image Alignment – In some cases, the images may be too large and may cover the text, or look like they are compressed. Align the image and reduce the size to clear up any formatting. If you are using our Drag and Drop editor, no need to worry this is done for you.

When you’re done applying these points to your email, you may want to send a test email to yourself or people you trust. Try opening your test email on multiple devices and see how the design is modified. You can also use the Inbox Checker to view your email in multiple devices.

List of known Display Errors in different Email providers

 

Email Client
HTML Support
Known Errors
AOL 4.0 and 5.0 No
  • Text only
  • Forms are stripped
AOL 6.0, 7.0, and 8.0 Yes
  • Standard HTML
  • Forms are stripped
  • Rejects email linking to external style sheets
AOL 9.0 Partial
  • Disabled HTML images and hotlinks
  • Forms are stripped
  • Lengthy emails can be turned into .zip files
AOL Webmail Partial
  • Doesn’t fully support XHTML compliance
  • Strips <br /> tags
  • Anchor tags not supported -Rather than jumping to the anchored section of the email when clicking anchor tag, a new inbox window opens.
Apple Mail Yes
  • Standard HTML
  • Font tags not permissible – to be replaced with <span> tags
  • Must click anchor links twice for them to function properly
  • In El Capitan OSX, anchor links do not work at all.
Compuserve No
  • Text only
Comcast Smartzone Yes
  • Standard HTML
  • Background images are blocked.
  • Anchor tags not supported -Rather than jumping to the anchored section of the email when clicking anchor tag, a new inbox window opens.
Comcast XFinity
  • Cuts down long newsletters – use webpage version or shorten the email.
  • When clicking anchor or table of contents links rather than jumping to the anchored section of the email, a new inbox window opens.
Entourage (Mac) Yes
  • Standard HTML
Entourage 2008

(Mac)

Partial
  • Background images may be blocked.
  • Supporting forms, Flash or other plug-ins, CSS floats, CSS positioning, and animated GIF’s
  • Bullet points are replaced with images in ordered lists
Earthlink Partial
  • On occasion text is underlined
Eudora 3.1 No
  • Text only
Eudora 4.0, 4.2, 4.3,

and 5.0

No
  • Standard HTML supported when Internet Explorer is used.
  • Poor HTML support in default Eudora HTML viewer
Gmail Partial
  • Bookmark anchors not supported.
  • Cuts down long newsletters – use webpage version or shorten the email.
  • Hyperlinks phone numbers in emails
Hotmail Partial
  • Blocks images by default
  • Strips <head>, <title>, <meta>, and <body> tags – must use inline styles
  • Disables hot links after ~4 mins. and strips background images – need to turn on authentication
  • CSS Issues
  • Text may appear underlined
  • Extra spaces added between lines of text surrounded by <p> tags – Need to change <p>tags to <div> tags in block’s Code View or create a new block and recreate the text without copy/paste styles
Juno 4.0, and 5.0 Yes
  • Nearly standard HTML
  • CSS issues
Lotus Notes 4.6 No
  • No font or link colors
Lotus Notes 5.0 Yes
  • Nearly standard HTML
  • CSS issues
Novell GroupWise 5.5 Yes
  • Standard HTML
Office 365 Partial
  • Standard HTML
  • Images are blocked by default
  • CSS issues
  • Anchor links and table of contents don’t function.
  • Images are often displayed as the size of the original file that was saved in the library, consequently causing misinterpretation – must resize the image in the library and then reinsert it.
Outlook 97 Partial
  • No font or link colors
  • Alignment issues
Outlook 98 and 2000 Yes
  • Standard HTML
  • Doesn’t fully support CSS
Outlook 98 and 2001

(Mac)

No
  • Rich text format only
Outlook 2003 Partial
  • HTML images blocked by default.
Outlook 2007 and 2010 Partial
  • Forms, Flash, or other plug-ins, CSS floats, CSS positioning, animated GIF’s are not supported.
  • Bullet points are replaced with images in ordered lists
  • Page breaks are inserted into extended emails that may cause gaps
  • Does not support Image borders.
  • Hi-def display greater than 1920px by 1080px formats the text but doesn’t format the images.
  • Image caption styles get overwritten by Outlook style
  • Images greater than 1728 px in height are cut
  • Adds extra spaces between paragraphs or double spaces text
  • Based on computer display setting, the images may appear misshapen.

Note: Microsoft has set up a tool to validate your HTML for Outlook 2007.

Outlook 2007 and 2010

(Mac)

Partial
  • Anchor links or table of contents links are not supported.
  • Animated GIF’s not supported.
Outlook 2013 and 2016 Partial
  • Page breaks are inserted  into extended emails that may cause gaps
  • If the last text in a block is a bullet, it will add an empty bullet point – either don’t end the block text with a bullet point or add <div style=”display:none;”>&nbsp;</div> before the closing </ul> tag in the block’s Code View
  • Hi-def display greater than 1920 px by 1080 px scales the text but doesn’t scale the images
  • Based on computer display setting, the images may appear misshapen.
  • Animated GIF’s not supported.
Outlook 2016 (Mac) Partial
  • Anchor links or table of contents links not supported.
Outlook 365 Partial
  • Link color defaults to blue unless the preceding text is formatted with a color – need to wrap link in <span> tags and <td> and <div>tags must have different text color
  • When clicking anchor or table of contents links rather than jumping to the anchored section of the email, a blank window opens
  • The text is justified by default, even if left-aligned in the email
  • Image padding is stripped out
Outlook Web Access Partial
  • Standard HTML
  • Images are blocked by default
  • Anchor links and table of contents links are not functional.
  • Images are often displayed as the size of the original file that was saved in the library, consequently causing misinterpretation – must resize the image in the library and then reinsert it.
Outlook Express –

PC or Mac

Yes
  • Standard HTML
Pegasus Mail 3.1 –

Windows

Yes
  • Standard HTML
  • Link colors not supported
Smartphones Android, iPhone, etc. Yes
  • Phone numbers may appear hyperlinked (click-to-call)
  • Dates may be added as an event on the phone’s calendar using the physical address from the email’s footer.
Verizon Yes
  • Standard HTML
  • Anchor links or table of contents links not supported.
Yahoo! Yes
  • Standard HTML
  • Anchor or table of contents links not supported in all browsers – when clicked, the email closes and prompts the reader to their inbox.  
  • Cuts down long newsletters – use webpage version or shorten the email.

Source: StudioCloud

If you have any questions regarding the display of your email please feel free to contact our support team via email, LiveChat or by phone.

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