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  • Authors
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Melika
Latest posts by Melika (see all)
  • What Is a DKIM Selector and How to Manage It Across Multiple ESPs? - May 26, 2026
  • How to Add an IP Address to Your SPF Record (Step-by-Step Guide) - May 26, 2026
  • Exchange SPF Check: How to Verify, Publish, and Fix SPF Records in Exchange - May 20, 2026

What Is a DKIM Selector and How to Manage It Across Multiple ESPs?

Blog, DKIM
Microsoft is phasing out NTLM authentication in three stages. Learn what the deprecation timeline means, why NTLM is a security risk, how to migrate to Kerberos, and what MSPs need to do now.
May 26, 2026

How to Add an IP Address to Your SPF Record (Step-by-Step Guide)

Blog, SPF
Learn how to add an IP address to your SPF record correctly. Includes syntax examples, provider-specific steps (Cloudflare, GoDaddy, Route 53), an include vs. ip4 decision guide, and a post-setup validation checklist.
May 26, 2026

Exchange SPF Check: How to Verify, Publish, and Fix SPF Records in Exchange

Blog, SPF
Microsoft is phasing out NTLM authentication in three stages. Learn what the deprecation timeline means, why NTLM is a security risk, how to migrate to Kerberos, and what MSPs need to do now.
May 20, 2026
gmail spf record

How to Set Up an SPF Record for Gmail

Blog, SPF
Learn how to set up an SPF record for Gmail and Google Workspace. Find the correct Google mail SPF record syntax, verification, common mistakes, and more.
February 17, 2026

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