Guild Wars 2

A effective way to protect your domains (e.g. guildwars2.com) from email spoofing etc. used in phishing, is to use SPF, DKIM and DMARC.

Each contributes to protect the domain i different ways:

SPF (Sender Policy Framework) is a DNS text entry which shows a list of servers that should be considered allowed to send mail for a specific domain.
Protects domain in “Mail From”.

DKIM (DomainKeys Identified Mail) is a method to verify that the messages’ content are trustworthy, meaning that they weren’t changed from the moment the message left the initial mail server.
Protects against modified content in mail.

DMARC, (Domain-based Message Authentication, Reporting, and Conformance) helps senders and receivers work together to create more secure email communications. It enables the message sender to indicate that their messages are protected with SPF and/or DKIM. And clear instructions for the message receiver to follow if an email does not pass SPF or DKIM authentication.
Protects domain in “From Header” (Sender) and more.

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