The Ultimate Guide to Styled ALT Text in Email. A commonly accepted best practice in the email world is the inclusion of alt attributes (frequently known as an “ALT tag” or “ALT text,” which is shorthand for alternative text) for images.
There are a few reasons why this practice has become standard among email aficionados: Most email clients block images by default. How Spam Filters Think. How To Avoid Getting Your Campaigns Accidentally Junked If you send email campaigns long enough, you will inevitably run into spam filter issues.
We've found that on average, you can expect 10-20% of your emails to just get lost in cyberspace, mostly due to overzealous spam filters. You don't even have to be a spammer to be spam-filtered. Innocent email marketers who send permission-based emails to people who requested them get spam filtered all the time. Unfortunately, there is no quick fix. Comcast.net Blocked Provider Request Form. DomainKeys Identified Mail (DKIM)