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Re:Show HN: I built an open-source email builder, alternativ... by stefanfisk on Thursday May 07, 2026 @01:12AM (#48045639)
Even when using mjml you must do render tests of your templates using litmus or a similar service. Mjml is WAY better than hand rolling templates but there are foot guns to be found and the docs won’t mention most of them https://github.com/mjmlio/mjml/issues/2927#issuecomment-2539....
Re:Show HN: I built an open-source email builder, alternativ... by oahmadov on Saturday May 09, 2026 @05:47AM (#48073578)
Totally agree on edge case quirks of MJML - or more like weird behaviors in Outlook. With so many email services and clients around, nothing can provide 100% bulletproof solution but I think MJML is as close as it gets to works-for-majority. I‘m sure MJML maintainers also aim for this.

Also, yes! Microsoft should kill Outlook with fire! :)