Technical Guides
IMAP vs POP3: What Is the Difference?
Understand the differences between IMAP and POP3 and learn which protocol is generally more suitable for modern business email.
Technical Guides
What Is SMTP and How Does Email Sending Work?
Learn how SMTP works, what an SMTP server does and why authentication and TLS are important for secure business email sending.
Technical Guides
What Is DMARC and How Does It Protect Companies?
Learn how DMARC uses SPF and DKIM results, helps reduce domain spoofing, and provides reporting that improves business email security.
Technical Guides
What Is SPF and How Does It Work?
Learn how SPF works through DNS and how it helps receiving mail servers determine which systems are authorized to send email for...
Technical Guides
What Is DKIM and Why Is It Important?
Learn how DKIM cryptographic signatures help verify message integrity and domain identity and why DKIM matters for business email security.
Technical Guides
What Are SPF, DKIM and DMARC?
A simple explanation of SPF, DKIM and DMARC and how these technologies help protect business email domains.