Nette Mail v3.1.0 has just been released!
- added DKIM feature (#51)
- renamed Nette\Mail\IMailer → Mailer
DKIM can be configured via config file:
mail:
dkim:
domain: ...
selector: ...
privateKey: private.key.file
passPhrase: ...
testMode: ...
For the details you can have a look at the GitHub.