postfix
Mailu
postfix | Mailu | |
---|---|---|
2 | 51 | |
386 | 5,442 | |
- | 1.8% | |
8.1 | 9.3 | |
20 days ago | 5 days ago | |
C | Python | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
postfix
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New Linux glibc flaw lets attackers get root on major distros
FWIW C can do it too to some extent, here's postfix: https://github.com/vdukhovni/postfix/blob/master/postfix/src...
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At Least 30k U.S. Organizations Newly Hacked via Holes in MS’s Email Software
Postfix.
But that’s only an MTA i hear you cry, Exchange does both MTA & MDA! Bear with me.
Postfix is software to learn from. It might be written in C but the architecture is the epitome of beautiful modular design. It’s not just the meticulous separation of concerns, the care and attention to detail, everything from string handling to memory management is pristinely handled. https://github.com/vdukhovni/postfix
Even at runtime the beauty of the architecture allows for a sysadmin to choose (via master.cf) exactly how the components should be composed to fit their needs. The defaults are crafted for minimum fuss if you just need to get it running ASAP. The software is ergonomic in addition to being artfully crafted.
So what does all this care and attention get you? Only 9 CVEs in 22 years, only 3 of which are code exec, only 2 of which are (maybe) remote code exec, only 1 of which is unauth user RCE - but very hard in practice to exploit.
Maybe it’s just not that popular? It was 1/3 of all SMTP servers on the internet according to a 2019 scan.
So it’s the best MTA ever to exist, but what about MDA? Well, that was the whole point. Compose well crafted components together to build a system. You especially don’t run part of your mailserver’s web interface in kernel space because, well i’m not sure why IIS/Exchange does that :-)
Mailu
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Roundcube and docker-mailserver (Docker Mailserver) on the same VPS
Consider installing Mailu instead, which is a single Docker container with a full mail server and Roundcube on top. Very easy to install.
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Mail-in-a-Box: a mail server in a box
I've been using Mailu (https://mailu.io/) for years and have had no problems. I love that it has the concept of domain admins so that people can manage mailboxes for their own domains. DNS isn't automatic, but meh. Upgrading is easy (Docker + automatic migrations).
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what to use for self hosting email
Mailu is pretty solid for personal use and is lighter on memory than Mailcow
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Recently I've been considering switching away from Proton, but...
While hosting mail isn't easy, Mailu and similar projects make it way easier than it used to be.
- Alternative to MailCow
- Nextcloud AIO and MicroOS
- Self hosted email server
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Sending and receiving emails with my domain
Mailu on a cheap VPS: https://mailu.io
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How to create my own SMTP Server with my own domain?
Mailu. It’s a docker image that has the whole email system pretty much all done for you. If you don’t know docker, learn it it’s well worth it.
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Trying to set up mailu docker
So as the title says, I'm trying to set up a dockerized mailu server. I've done the docker compose setup from the mailu.io site, except it doesn't seem to work and I'm not exactly sure why. I'm guessing I'm just not entering in some information correctly, but I don't know for sure. One thing I know I'm not sure on is the db url and what exactly is it supposed to be. I don't remember the exact error I'm getting, as I'm not in front of my computer at the moment, but I do know it was the admin container that wasn't working properly. Either that or I don't have my DNS set up correctly.
What are some alternatives?
OpenSMTPD - This is official OpenSMTPD Portable repository. Forks, pull requests and other contributions are welcome!
Mailcow - mailcow: dockerized - 🐮 + 🐋 = 💕
Haraka - A fast, highly extensible, and event driven SMTP server
docker-mailserver - A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker. [Moved to: https://github.com/docker-mailserver/docker-mailserver]
CSS-Exchange - Exchange Server support tools and scripts
modoboa - Mail hosting made simple
Mail-in-a-Box - Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.
docker-mailserver - Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.
docker-postfix - Simple SMTP server / postfix null relay host for your Docker and Kubernetes containers. Based on Alpine Linux.
iRedMail
email-oauth2-proxy - An IMAP/POP/SMTP proxy that transparently adds OAuth 2.0 authentication for email clients that don't support this method.
maddy - ✉️ Composable all-in-one mail server.