Runbox
https://runbox.com/
Fast, secure, and sustainable email services provided by email professionals. Powerful Email and Domain Hosting for businesses and organizations.
Stalwart Mail & Collaboration Server
https://stalw.art/
Open-source mail and collaboration server with JMAP, IMAP4, POP3, SMTP and WebDAV support and a wide range of modern features. Written in Rust and designed to be secure, fast, robust and scalable.
stalwart: All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).
https://github.com/stalwartlabs/stalwart
All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV). - stalwartlabs/stalwart
Jelly: The best way to jam on email as a team
https://letsjelly.com/
Jelly is a new shared inbox for your team’s shared email addresses. It’s simple, intuitive, and actually affordable. From the good people at Good Enough.
A Deep Dive into Email Deliverability in 2024
https://www.xomedia.io/blog/a-deep-dive-into-email-deliverability/
In this post we cover the new email deliverability guidelines for Gmail and Yahoo.