Stalwart Labs
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Self-hosting your mail server has been notoriously difficult. Not anymore! Stalwart is a scalable, secure and robust open-source mail server software designed for the 21st century.
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Based on our record, Stalwart Labs should be more popular than Digicert. It has been mentiond 3 times since March 2021. 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.
* [1] should be https://stalw.art It's a neat project though, that I hadn't heard of before. I have ran Postfix to do domain-wide email forwarding (to Gmail coincidentally) but going the other way around and having the end destination be self hosted is on my to-do list. - Source: Hacker News / 2 months ago
As a server (https://stalw.art/) has very solid JMAP support. - Source: Hacker News / 4 months ago
Yes, still using Maddy + Dovecot + Rspamd and everything works fine, but I've been thinking about trying out https://stalw.art/ to be able to try out the new JMAP protocol that is intended to replace IMAP. Source: 6 months ago
To add to what others have said while trying and failing to be technical about it. This is normal. The web browser is saying this because it has no way to tell if the site you are trying to go to is the real site or has been faked in some way. So this warning just means you need to make sure on your own that what you are connecting to is what you think you are connecting to. When going to a site out on the... Source: over 1 year ago
acme.sh - A pure Unix shell script implementing ACME client protocol and deploying SSL certificates.
Let's Encrypt - Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
MXroute - E-mail Hosting for Your Domains
COMODO SSL - Buy your Comodo SSL certificates directly from the No.1 Certificate Authority powered by Sectigo (formerly Comodo CA). Fast service with 24/7 support. Over 20 years of SSL Certificate Authority!
Domain.com - Find and purchase your next website domain name and hosting without breaking the bank. Seamlessly establish your online identify today.
GlobalSign - GlobalSign offers a range of SSL Certificates with the strongest 2048 bit encryption and value add features to ensure your website is protected.