MisarMailQuick Answer
A DNS record that specifies the mail servers responsible for accepting email on behalf of a domain.
MX (Mail Exchanger) records are DNS entries that direct incoming email to the correct mail server. They include a priority value — lower numbers = higher priority. Multiple MX records provide redundancy. When you send an email to user@domain.com, the sending server looks up domain.com's MX records to find the receiving server. Incorrect MX records prevent email delivery entirely. MisarMail's domain verification checks MX records during setup.
An email authentication protocol that lets receiving servers verify that an email was sent by the domain it claims to be from.
SPF (Sender Policy Framework)A DNS record that specifies which mail servers are authorized to send email on behalf of your domain.
DMARC (Domain-based Message Authentication)An email authentication policy that tells receiving servers what to do with emails that fail DKIM or SPF checks.
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