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Merge options virtualAccountAliases and virtualDomainAliases into virtualAliases
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Thomas Preisner 2025-02-22 19:52:13 +01:00
parent faf6f549b0
commit bae52b2220
3 changed files with 48 additions and 56 deletions
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50
mailsystem/default.nix
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@ -126,43 +126,43 @@ in {
default = {};
};
virtualDomainAliases = lib.mkOption {
type = with lib.types; attrsOf str;
example = {
"aliasdomain.com" = "domain.com";
};
description = ''
Virtual aliasing of domains. A virtual alias `"aliasdomain.com" = "domain.com"`
means that all mail directed at `@aliasdomain.com` are forwarded to `@domain.com`.
This also entails, that any account or alias of `domain.com` is partially valid
for `aliasdomain.com`. For example, `user@domain.com` can receive mails at
`user@aliasdomain.com`. However, if `user@domain.com` shall be able to dispatch
mails using `user@aliasdomain.com`, an explicit alias needs to be configured.
'';
default = {};
};
virtualAccountAliases = lib.mkOption {
virtualAliases = lib.mkOption {
type = let
isAccount = value: builtins.elem value (builtins.attrNames cfg.accounts);
isDomain = value: !(lib.hasInfix "@" value) && (builtins.elem value cfg.domains);
account = lib.mkOptionType {
name = "Mail Account";
check = account: builtins.elem account (builtins.attrNames cfg.accounts);
check = isAccount;
};
accountOrDomain = lib.mkOptionType {
name = "Mail Account or Domain";
check = value: (isAccount value) || (isDomain value);
};
in
with lib.types; attrsOf (either account (nonEmptyListOf account));
with lib.types; attrsOf (either (nonEmptyListOf account) accountOrDomain);
example = {
"info@example.com" = "user1@example.com";
"postmaster@example.com" = "user1@example.com";
"abuse@example.com" = "user1@example.com";
"multi@example.com" = ["user1@example.com" "user2@example.com"];
"aliasdomain.com" = "domain.com";
};
description = ''
Virtual account aliases. A virtual alias `"info@example.com" = "user1@example.com"`
means that all mail to `info@example.com` is forwarded to `user1@example.com`.
Furthermore, it also allows the user `user1@example.com` to send emails as
`info@example.com`. It is also possible to create an alias for multiple accounts.
In this example, all mails for `multi@example.com` will be forwarded to both
`user1@example.com` and `user2@example.com`.
Virtual account and domain aliases. A virtual alias means, that all mail directed
at a given target are forwarded to the specified other destinations, too.
For account aliases, this means that, e.g., `"user1@example.com"` receives all mail
sent to `"info@example.com"`. In addition, `"user1@example.com"` is also able to
impersonate `"info@example.com"` when sending mails. It is also possible to create
an alias for multiple accounts. In this example, all mails for `"multi@example.com"`
will be forwarded to both
`"user1@example.com"` and `"user2@example.com"`.
For domain aliases, this means that all mails directed at an aliased domain, e.g.,
`"aliasdomain.com"` are forwarded to `"domain.com"` This also entails, that any
account or alias of `"domain.com"` receives mails directed at `"aliasdomain.com"`.
However, if `"user@domain.com"` shall be able to send mails using
`"user@aliasdomain.com"`, an explicit alias needs to be configured.
'';
default = {};
};