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All practical field notes, troubleshooting guides and documentation.
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7 docs available.
Demystifying SPF: The Email Bouncer Explained
A practical explanation of SPF records, what they do, what they do not protect against, and why SPF is only one part of email authentication.
Mail SorceryHow Can You Break SPF? A Tour Of Common Mistakes
An overview of how SPF records become broken or bloated over time, from forgotten CRM systems to mystery scanners nobody dares to unplug.
Mail SorceryHow To Fix SPF: A Practical Cleanup Guide
A step-by-step, practical approach to cleaning up a messy SPF record, identifying legitimate senders, and moving safely toward a hardened policy.
Mail SorcerySPF Breaking During Forwarding: Why Legitimate Mail Still Fails
Why SPF often fails when email is forwarded, why DKIM tends to survive better, and why SPF should never be your only line of email authentication.
Mail SorceryThe SPF DNS Lookup Limit Explained
Learn why SPF records are limited to 10 DNS lookups, how nested includes break SPF, and why SPF PermError can affect mail delivery.
Mail SorcerySPF Flattening Explained: The Trade-Off Nobody Warns You About
What SPF flattening is, why it's used to get under the DNS lookup limit, and why it can quietly trade one problem for another.
AzureAzure Monitor: Forward Azure Backup Alerts to Email
Configure Azure Monitor email notifications for backup alerts using action groups and alert processing rules.