New in Symfony 5.2: DKIM email authentication
October 2, 2020
Javier Eguiluz
Contributed by
Fabien Potencier
in #37165.
DKIM (DomainKeys Identified Mail) is an email authentication method designed to detect forged sender addresses in emails (email spoofing), a technique often used in phishing and email spam.
DKIM allows the receiver to check that an email claimed to have come from a specific domain was indeed authorized by the owner of that domain. In Symfony 5.2 we’ve added support for DKIM in the Mailer component to allow you affix a digital signature, linked to a domain name, to each outgoing email messages:
1 2 3 4 5 6 7 8 9 10 | use Symfony\Component\Mime\Crypto\DkimSigner;
use Symfony\Component\Mime\Email;
$email = (new Email())
->from('[email protected]')
// ...
->html('...');
$signer = new DkimSigner('file:///path/to/private-key.key', 'example.com', 'sf');
$signedEmail = $signer->sign($email);
|
Read the DKIM signer docs to learn about all the available configuration options.
As with any Open-Source project, contributing code or documentation is the most common way to help, but we also have a wide range of sponsoring opportunities.
New in Symfony 5.2: DKIM email authentication symfony.com/blog/new-in-symfony-5-2-dkim-email-authentication
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