Pepipost might be a bit more popular than Litmus. We know about 2 links to it since March 2021 and only 2 links to Litmus. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Email clients are terrible at html, you could try using litmus.com (there's a free trial) that will show you what it looks like in a huge range of clients. Source: about 2 years ago
Hey guys I want to start a new project but I have no clue as to where to start, I want to create something like litmus.com where each user gets an email and then when you send an email to that email account you can see your email on multiple clients but I can't figure out. Source: over 2 years ago
We were going to add Pepipost to our blog post about free SMTP servers, but, for some reason, we failed to do this. This ESP, however, is worth considering. Pepipost provides a robust SMTP relay service and email APIs to integrate with many development frameworks. Their Forever Free Plan especially may trigger you to try out this email service. - Source: dev.to / over 1 year ago
Pepipost.com — 30k emails free for first month, then first 100 emails/day free. - Source: dev.to / almost 3 years ago
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