Email Syntax:
Characters allowed in email addresses
Learn which characters are allowed in email addresses, covering both the local (addressee) and domain parts, how email syntax is structured, and what the relevant technical standards say.
Collection of publications tagged with email.
Email Administration:
Mailbox.org custom email domain
How to add a custom domain to mailbox.org for sending and receiving emails. Incl. SPF, DMARC and DKIM to an existing mailbox.org email account. Simple step-by-step instruction.
HTML Email Links:
How to add a subject to an email mailto link
Learn how to add subject, CC, BCC, and body fields to an email mailto link, format additional parameters, and encode special characters properly according to RFC 3986.
Email Metadata:
Introduction to email headers
Learn what email headers are, how to view raw headers, and understand key fields like DomainKeys Identified Mail (DKIM) and Sender Policy Framework (SPF) for email security.
Email Security:
Understanding DomainKeys Identified Mail (DKIM)
Learn how DomainKeys Identified Mail (DKIM) enhances email security by allowing senders to sign messages cryptographically, ensuring email integrity and authenticity.
Email Security:
Understanding DMARC
Domain-based Message Authentication, Reporting & Conformance (DMARC) enhances email security and helps domain owners control how unauthenticated messages are handled.
Email Security:
Understanding Sender Policy Framework (SPF)
Learn how Sender Policy Framework (SPF) works, its mechanisms, and how to configure it for secure email authentication to help prevent email spoofing, spam, and phishing attacks.
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