Want to make it to the inbox? Make sure that your mail server is not blacklisted!

A Blacklist is a database of known internet addresses (or IP's) used by persons or companies sending spam. Various ISP's and bandwidth providers subscribe to these blacklist databases in order to filter out spam sent across their network or to their subscribers.

Ensure that your outgoing mail server is not listed in 75 of the most popular blacklisting services using Email on Acid's deliverability tools. Make it to the inbox and look good doing it!

Two ways to ensure that your entire email is rendered by default in the iPhone & iPad

While using the native email clients for the iPhone and iPad, we noticed that in approximately 10-15% of our test emails, the reader only displayed a small segment of the original email. When this happens, it renders the loaded portion of the email with a button at the bottom which reads: "Download remaining XX bytes." Often times the button appears below the fold, especially in landscape view, making it easy to miss.

Here are a few work-arounds...

Customize your email for the new Xoom, Kindle Fire, and iPad Tablets!

Tis the season over here at Email on Acid and we have tons of shiny, new devices on our desks just begging for a test drive. Fortunately for every computer lover on the planet, the Kindle Fire, Xoom, iPad, and iPhone are up front and center this holiday season and we are anticipating record sales from Amazon, Motorola, Apple and several more mobile & tablet carriers.

In this article we will show you how to target each device using the power of media queries...

Stop Yahoo! Mail from Displaying your Email Twice

If you use a simple street address in your email, there's a chance that Yahoo might duplicate your content twice, or maybe even three times.  Each time, the repetative content starts with the city and state which caused the glitch in the first place.  Confused?  So were we, here's more...

When it comes to Email, Size Does Matter

As if things weren't already hard enough, now we have to worry about file size?  That's right ladies and gents, if your email exceeds 102K, Gmail will clip off the rest.

5 Reasons you Should Always Validate your HTML Code when Developing Emails

Coding errors in web pages are one thing but errors in HTML emails are an entirely different story. So why is it so much more important? Here are 5 reasons why you should always validate your HTML when developing emails...

Repurpose your Images for Mobile Email

As open rates for mobile devices continue to skyrocket, we've seen an increased level of interest from people who are developing emails that render flawlessly on desktop and mobile email clients. Replacing and/or re-using graphics is a great place to start for a few different reasons...

Emailology - the Science of Looking Good in the Inbox

Announcing the official launch of Emailology.org! This site is jam packed with tools and information for developing HTML emails including a boilerplate template, email client tips & tricks, a reference for universally supported HTML/CSS and a special character converter.

Stop Gmail from Wrapping your Phone Number into Text Links

Both the desktop and mobile version(s) of Gmail now insert an anchor link around phone numbers. Check out this article for a few work-arounds...

Lotus Notes 8.0 does not support Inline RGB Decimal Values

If you include an inline RGB decimal value, Lotus Notes 8.0 will ignore the entire style declaration...

Is your Email too Wide for Hotmail?

In reviewing some of our recent screen captures for Hotmail, we've spotted some interesting changes they've made to their interface that might affect your email if it's too wide.

Email Standards - Can we Make a Difference?

We all know that there should be a universal standard for HTML and CSS but the fact is email clients are far less concerned with compliance than web browsers. None of their users are complaining about the way advisements are rendered in their inbox. So can we make a difference? It may be wishful thinking but our answer to that question is: Yes!

Designing HTML Emails for Outlook 2003 and Outlook Express

We've had a few members ask us about Outlook 2003 recently so we decided to dive deeper into the topic of rendering engines, particularly with respect to Outlook 2003 and Outlook Express. As you probably know, both of these older versions of MS Outlook used the Internet Explorer(IE) rendering engine for displaying HTML emails. The question is: What version of IE do they use?

Our New Servers are Up and Running - be on the Lookout for DNS Caching

If you receive a 401 error or you see our maintenance screen, try clearing your DNS cache, here's how...

We’ve added Four Days to each Email on Acid Subscription.

In an effort to express how grateful we are for your patience and understanding, we will be extending each Email on Acid subscription by 4 days.  This means if your subscription was set to renew on the 5th day of this coming month, it will now renew on the 9th day and all subsequent renewals will be based on that date.  If you are on a 3, 6, 9 or 12 month plan, your auto renewal will also be extended 4 days.

The Dust has Settled but we are not out of the Woods Yet

To provide a recap of yesterday's events. I want to start out saying once again, we are sorry for the downtime we experienced. We are honored that our customers have come to rely on our service and we take that responsibility very seriously.

Email Design for Mobile and Blocked Images

We recently re-designed our automated member registration email and paid particular attention to how its viewed when images are blocked and on mobile devices.

Yahoo! Mail does not support the Style Block in Internet Explorer 7 and 8

Yahoo! Mail (formerly known as Yahoo! Beta) does NOT support the style block in older versions of Internet Explorer. A big thanks to Brian Sisolak @bsisolak at Trilogy Interactive for bringing this to our attention!

Stop Yahoo! Mail from rendering your Media Queries

To make a long story short, each version of Yahoo! ignores your media query declaration along with all of its conditional statements and renders each of the styles as if they are outside of the media query to begin with. On top of that, it gets confused with your first declaration which is therefore ignored.  Here's your fix...

A CSS Template for Developing HTML Emails in Mobile Devices

A play by play approach for creating emails that purr on the iPhone, iPad, and Android...