Mail that looks good on desktop and mobile

Over the weekend I noticed a new CSS framework aimed at email rather than web development, “Antwort“.
This isn’t the first or only framework for email content, but this one looks simple and robust, and it allows for content that doesn’t just adapt for different sized displays but looks good on all of them. The idea behind it is to divide your content into columns, magazine style, then display the columns side-by-side on desktop clients and top to bottom on mobile clients. That opens up much more interesting designs than the more common single fluid column approach.

It looks nice, it supports pretty much every interesting email client, but it also comes with some directions based on real world experience.

  • Stopping Apple mail clients from turning bits of your content that look like dates or phone numbers or addresses into ugly blue links
  • Avoiding the Hotmail “why is my text green?” issue
  • Making Yahoo desktop show the desktop version, not the mobile version of the content
  • Maintaining your brand colours and fonts on gmail

The Antwort documentation also has lots of good links and advice on HTML authoring for email. Well worth a look.

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Content, trigger words and subject lines

There’s been quite a bit of traffic on twitter this afternoon about a recent blog post by Hubspot identifying trigger words senders should avoid in an email subject line. A number of email experts are assuring the world that content doesn’t matter and are arguing on twitter and in the post comments that no one will block an email because those words are in the subject line.
As usually, I think everyone else is a little bit right and a little bit wrong.
The words and phrases posted by Hubspot are pulled out of the Spamassassin rule set. Using those words or exact phrases will cause a spam score to go up, sometimes by a little (0.5 points) and sometimes by a lot (3+ points). Most spamassassin installations consider anything with more than 5 points to be spam so a 3 point score for a subject line may cause mail to be filtered.
The folks who are outraged at the blog post, though, don’t seem to have read the article very closely. Hubspot doesn’t actually say that using trigger words will get mail blocked. What they say is a lot more reasonable than that.

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What causes Spamhaus CSS listings

Today’s Wednesday Question comes from Zaib F.

What causes the Spamhaus CSS listing in your experience other than Sender using multiple sets of IPs, to look as if they are a valid sender. Do you think a Spamtrap plays a role?

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Delivery challenges increasing

Return Path published their most recent Global Deliverability report this morning. (Get the Report) This shows that inbox placement of mail has decreased 6% in the second half of 2011. This decrease is the largest decrease Return Path has seen in their years of doing this report.
To be honest, I’m not surprised at the decrease. Filters are getting more sophisticated. This means they’re not relying on simply IP reputation for inbox delivery any longer. IP reputation gets mail through the SMTP transaction, but after that mail is subject to content filters. Those content filters are getting a lot better at sorting out “wanted” from “unwanted” mail.
I’m also hearing a lot of anecdotal reports that bulk folder placements at a couple large ISPs increased in the first quarter of 2012. This is after the RP study was finished, and tells me increased bulk folder placement is more likely to be a trend and not a blip.
One of the other interesting things from the RP study is that the differences are not across all mail streams, but are concentrated in certain streams and they vary across different regions.

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