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Topic: Glossary

Every email and DNS term explained in plain language: SPF, DKIM, DMARC, IMAP, MX records, 2FA and more, with a concrete example for each term.

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Email alias meaning: an extra address that arrives in your existing mailbox. Learn how it works, with an example and the 20 free aliases.

Email sending limit: the maximum number of messages you're allowed to send per period. Read why it exists and when you'll notice it.

SPF meaning: the DNS rule that defines which servers may send mail on behalf of your domain. Learn how SPF counters phishing, with an example.

Spam quarantine meaning: the sealed-off space where suspicious email waits. Read how to retrieve mail and release senders.

MX record meaning: the DNS setting that routes incoming email to your mail server. Read how it works and how to set it up yourself.

All email terms explained in plain language: from IMAP and SPF to alias and catch-all. Look them up quickly and read what each term means for you.

DMARC meaning: the policy that determines what happens to mail that fails SPF and DKIM. Read how to protect your own domain.

DKIM meaning: the digital signature that proves your email really comes from your domain. Read how it works, with an example.

Catch-all meaning: one mailbox that catches all mail for your domain, including mistyped addresses. Read the pros and cons, with an example.

2FA meaning: an extra login step alongside your password. Learn how two-factor authentication protects your email, with a concrete example.