Field notes · ~1 post / week
Writing about sending, deliverability, and the rules providers actually enforce.
Practical guides, post-mortems from real sends, and plain-English explanations of why your list quality is doing what it is doing. No fluff, no AI slop, no gated PDFs — just our working notes.
2026
Apr 07
2026
2026
What Is a Catch-All Email Domain and Why Does It Matter?
Catch-all domains are one of the clearest examples of why email validation always has limits.
2 minRead →
Apr 07
2026
2026
Email Verification for Dental Practices and Medical Offices
Why appointment-driven businesses benefit from reviewing patient email data before big reminder cycles.
1 minRead →
Apr 06
2026
2026
How to Check if a Domain Can Receive Email
MX lookup is the core concept. The real question is whether you want to do it manually once or across a whole list.
1 minRead →
Apr 06
2026
2026
How to Handle Unknown Email Validation Results
A practical framework for deciding what to do with addresses that land in the unknown bucket.
1 minRead →
Apr 05
2026
2026
Email List Segmentation by Validation Status
Why deliverable, risky, undeliverable, and unknown segments should not all be treated the same way.
1 minRead →
Apr 05
2026
2026
How to Tell if an Email Address Is Fake
Some fake addresses are obvious. The more useful ones are the problems that only show up once you check them properly.
2 minRead →
Apr 03
2026
2026
Soft Bounce vs Hard Bounce: What's the Difference and What to Do
The distinction matters because the right action for each bounce type is different.
2 minRead →
Apr 03
2026
2026
Why Are My Emails Bouncing? Common Causes and How to Fix Them
A practical breakdown of why bounce rates spike and what to do before the next campaign goes out.
2 minRead →
Apr 02
2026
2026
Email Verification for Law Firms
Why legal teams benefit from reviewing old client and referral email records before key communications.
1 minRead →