Why we no longer ask for SPF records

Last month we released a big update to the email authentication workflow for domains. The main goal of the update was to encourage more people to set up email authentication (like custom Return-Paths and DKIM) by making the process easier. As part of this update, we removed the requirement to add an SPF record for your domain. We wanted to explain why and how we were able to do this.

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Syntax highlighting code samples in HTML emails

Including nicely formatted code samples in emails can be difficult. With inline CSS, it can be incredibly tedious to manually style code and ensure that it will work across email clients. MailBrush makes it easy for you to add syntax highlighting to code samples so you can include them in emails.

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From , the team behind Postmark