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A complete and Simple Nixos Mailserver
mail-server | ||
nixops | ||
LICENSE | ||
mail-config.nix | ||
README.md |
nixos-mailserver
Work in progress...
What works and what is missing for first release
- Postfix
- starts
- receive email on port 25
- receive email on submission port 587
- lmtp with dovecot
- Dovecot
- lmpto with postfix
- creates maildir folders, saves mails
- imap retrieval
- pop3 retrieval (to check)
- Certificates
- manual certificates
- on the fly creation
- TODO: Let's Encrypt
- Spam Filtering
- scans emails
- Dovecot moves spam to spam folder (to check)
- Virus Scanning
- TODO: Implement
- DKIM Signing
- TODO: Implement
- User Management
- Creates Users
- TODO: Set Passwords in config file
How to Test
You can test the setup via nixops
. After installation, do
nixops create nixops/single-server.nix nixops/vbox.nix -d mail
nixops deploy -d mail
nixops info -d mail
You can then test the server via e.g. telnet
. To log into it, use
nixops ssh -d mail mailserver
A Complete Mail Server Without Moving Parts
Used Technologies
- Nixos
- Nixpkgs
- Dovecot
- Postfix
- Rmilter
- Rspamd
- Clamav
- Opendkim
- Pam
Features
- one domain
- unlimited mail accounts
- unlimited aliases for every mail account
- spam and virus checking
- dkim signing of outgoing emails
- imap (optionally pop3)
- startTLS
Nonfeatures
- moving parts
- SQL databases
- configurations that need to be made after
nixos-rebuild switch
- complicated storage schemes
- webclients / http-servers
Ideas for future releases
- Fine grained control over ownership of aliases
- More than one domain