Which type of DNS record is used by mail servers to determine where to send e-mail?

CNAME record
53
A record
38
SMTP record
103
MX record
61
Mail Exchange (MX) records are DNS records that are necessary for delivering email to your address. In simple DNS terms, an MX record is used to tell the world which mail servers accept incoming mail for your domain and where emails sent to your domain should be routed to. If your MX records are not pointed to the correct location, you will not receive email
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