Skip to content

Sign in Start for free Dashboard

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

Newest first · 9 of 23 shown

Email Verification for lemlist: A Workflow Guide

A complete verification workflow for lemlist users: what SMTP and M365 checks cover, how to handle risky addresses in an agency context, and the step-by-step process.

lemlistcold-outreachlist-cleaning

Instantly Email Verifier: How to Clean Lists Without Per-Email Costs

How to verify email lists before importing into Instantly: the full check stack, inbox rotation implications, and a step-by-step workflow.

instantlycold-outreachlist-cleaning

Email Verifier for Smartlead Users: Clean Lists Before Import

How to verify email lists before importing into Smartlead: what the tool checks, why built-in validation isn't enough, and a step-by-step workflow.

smartleadcold-outreachlist-cleaning

Free Clearout Alternative: MailCull explained

If you are evaluating Clearout but want either a flat price or the per-check SMTP receipts they do not surface, here is what MailCull does differently.

alternativesclearoutemail-validation

Free ZeroBounce Alternative: MailCull explained

If you are searching for a ZeroBounce alternative, you are probably hitting credit math, opaque verdicts, or bundle creep. Here is what MailCull does differently, including a free tier with the full moat exposed.

alternativeszerobounceemail-validation

How to Use MailCull: A Complete Walkthrough

A complete walkthrough of MailCull from signup to first cleaned list, including how to read the 20-code evidence chain on every verdict.

mailcullverify-listverify-email

Free NeverBounce Alternative: MailCull explained

If you are searching for a NeverBounce alternative, you probably want either a lower price or the SMTP receipts NeverBounce does not show. MailCull is built for both.

alternativesneverbounceemail-validation

Free Bouncer Alternative: MailCull explained

If you respect Bouncer but want either a lower price or the per-check SMTP receipts they do not surface, here is what MailCull does differently.

alternativesbounceremail-validation

Free MillionVerifier Alternative: MailCull explained

MillionVerifier is the price floor on per-credit cost. MailCull leads on the evidence chain and adds a recurring free tier. Here is the honest difference.

alternativesmillionverifieremail-validation