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

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How to Choose the Right Email Verification Tool

A simpler way to decide between free tools, paid tools, batch workflows, and real-time validation products.

email-validationtool-comparisonverify-list

How to Check if an Email Address Is Valid

A straightforward way to think about whether an email address is worth trusting before you send.

verify-emailemail-validationdeliverability

Email Verification for Membership Organizations and Associations

Why membership databases need regular email review as contacts change jobs and records age.

email-validationmembershipassociations

What Is a Good Bounce Rate for Email? Benchmarks and What to Do if You're Over

A simple way to think about bounce-rate ranges and what they usually signal.

bounce-ratedeliverabilityemail-validation

How to Verify Email Addresses in Excel

A practical way to go from spreadsheet to validated export without complicated prep.

excelverify-listemail-validation

Email Verification for Insurance Agents and Brokers

Why insurance agencies benefit from reviewing aging client contact records.

email-validationinsuranceclient-communication

Email Validation Explained: What It Means and Why You Need It

A straightforward explanation of email validation and the checks that make it useful.

email-validationdeliverabilityverify-email

MailCull vs ZeroBounce: side-by-side, no spin

ZeroBounce claims 99% accuracy. Independent tests land at 90-97%. We publish 91-93% honestly with the methodology. Here is the side-by-side at every volume.

comparisonslist-cleaningemail-validation

MailCull vs NeverBounce: when each one wins

NeverBounce has a polished bulk-job UI. MailCull shows the SMTP reply for every check and costs $9/month flat. Here is the honest side-by-side.

comparisonsemail-validationlist-cleaning