I never ask questions here usually but I’m stuck right now.
I’ve just upgraded my Symfony projet from 5.0 to 5.2 because I needed to DKIM sign my emails and there is a new feature to sign emails with Symfony Mailer on 5.2 : https://symfony.com/blog/new-in-symfony-5-2-dkim-email-authentication
I can’t find any support on this so I hope someone had the same problem as me.
I basically followed documentation by implementing my signature on my mail like that :
$email = (new TemplatedEmail()) ->from(new Address('[email protected]', 'Noreply')) ->to($userEmail) ->subject('Subject') ->text('My email text format') ->htmlTemplate('email.html.twig') ->context([ ... ]); $signer = new DkimSigner( 'file://dirname(__DIR__).'/../'.$this->getParameter('private_key_filename')', $this->getParameter('domain_name'), $this->getParameter('selector') ); $signedEmail = $signer->sign($email); $mailer->send($signedEmail);
I also tried getting content :
$signer = new DkimSigner( file_get_contents(dirname(__DIR__).'/../'.$this->getParameter('private_key_filename')), $this->getParameter('domain_name'), $this->getParameter('selector') );
I still have "body has been altered" when using multiple DKIM lookup and the test fail.
I don’t think there is a problem in charging the private key file because I first had those kind of errors that I fixed by adding the "/../" on the path.
I’ve set the public key on my DNS with TXT record and domain
selector._domainkey.domain.com like that :
I don’t think this is a problem of key integrity because I used openssl to generate the private and public keys :
openssl genrsa -out private.key 1024 openssl rsa -in private.key -pubout -out public.key
And I can’t sign my email by using my SMTP server because I’m having a mutualized offer and I can’t change server configurations.
Thank you for your time and I hope someone had the same problem !
Source: Symfony Questions
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