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https://gitlab.com/simple-nixos-mailserver/nixos-mailserver.git
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e9dea6cdb4
The dh.pem file is currently created by the postfix prestart script. If the entropy of the system is to low, the postfix prestart can timeout. In this case, an empty file is created. If the user restarts the postfix service, the dh.pem is not created because the file already exists (but is empty). When a ssl is established with dovecot, it fails with this message: imap-login: `Error:Failed to initialize SSL server context: Couldn't parse DH parameters: error:0906D06C:PEM routines:PEM_read_bio:no start line: Expecting: DH PARAMETERS` With this patch, the postfix service creates the dh.pem if the dh.pem doesn't exist or if it is empty. It doesn't fix the entropy or timeout issue but at least, the user knows something is failing:/
Stable Releases
Subscribe to SNM Announcement List This is a very low volume list where new releases of SNM are announced, so you can stay up to date with bug fixes and updates. All announcements are signed by the gpg key with fingerprint
D9FE 4119 F082 6F15 93BD BD36 6162 DBA5 635E A16A
Features
v2.0
- Continous Integration Testing
- Multiple Domains
- Postfix MTA
- smtp on port 25
- submission port 587
- lmtp with dovecot
- Dovecot
- maildir folders
- imap starttls on port 143
- pop3 starttls on port 110
- Certificates
- manual certificates
- on the fly creation
- Let's Encrypt
- Spam Filtering
- via rspamd
- Virus Scanning
- via clamav
- DKIM Signing
- via opendkim
- User Management
- declarative user management
- declarative password management
- Sieves
- A simple standard script that moves spam
- Allow user defined sieve scripts
- ManageSieve support
- User Aliases
- Regular aliases
- Catch all aliases
In the future
- DKIM Signing
- Allow a per domain selector
Changelog
See the mailing list archive
Quick Start
{ config, pkgs, ... }:
{
imports = [
(builtins.fetchTarball "https://github.com/r-raymond/nixos-mailserver/archive/v2.1.4.tar.gz")
];
mailserver = {
enable = true;
fqdn = "mail.example.com";
domains = [ "example.com" "example2.com" ];
loginAccounts = {
"user1@example.com" = {
hashedPassword = "$6$/z4n8AQl6K$kiOkBTWlZfBd7PvF5GsJ8PmPgdZsFGN1jPGZufxxr60PoR0oUsrvzm2oQiflyz5ir9fFJ.d/zKm/NgLXNUsNX/";
aliases = [
"info@example.com"
"postmaster@example.com"
"postmaster@example2.com"
];
};
};
};
}
For a complete list of options, see default.nix.
How to Set Up a 10/10 Mail Server Guide
Check out the Complete Setup Guide in the project's wiki.
How to Backup
Checkout the Complete Backup Guide. Backups are easy with SNM.
Development
See the How to Develop SNM wiki page.
Contributors
See the contributor tab
Alternative Implementations
Credits
- send mail graphic by tnp_dreamingmao from TheNounProject is licensed under CC BY 3.0
- Logo made with Logomakr.com