Mailtrap ActionMailer Balancer is an ActionMailer extension that allows proportionally distributing the email sending load between two different sending services and mitigating the sending risks.
Learn what email infrastructure is, why it is needed, what it consists of, and how to manage it properly: an overview of tools and approaches. Click here.
DKIM is the gold standard for verifying the sender of an email message, and to confirm the message was not altered in transit. Learn why you should use it and how it actually works.
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