And also take into account that HTML in email is much structer than in webbrowsers. The probability of your blogpost looking good, and your email looking messed up in Outlook is very big! Wouldn't worry much about this with press releases, though! Styles will be limited to font-weight and text-decoration, and releases have distinct sections per industry standards. It's an extremely machine-readable format. Plus, the rich text editors in RSS-to-Email apps like Perkuto and FeedOtter can work with defanged (allowed tags only) elements of an RSS feed, inserting them into a well-tested email template, so content and block-level presentation are explicitly separated. Overall, def'ly wouldn't trust corporate developers to be better than email and syndication specialists at creating cross-platform HTML emails from HTML5 source. I've heard senior CMS consultants claim no changes would be necessary to send published HTML5 + CSS3 pages as emails... that's how little they may understand the problem domain. While email designers do understand those issues, teaming designers, back-end integration engineers, and marketers on building an in-house system is... less than promising. Sometimes, and I say this as someone who builds custom integrations, just buy it.
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