Practical guides for files, webpages and the browser extension.
List management · October 6, 2026
Filter extracted addresses by domain, preserve complete source-bearing exports and organize contacts using reviewed evidence rather than assumptions.
Webpages · October 6, 2026
Use site: and filetype: filters to locate public contact pages and documents. Review live sources, search limitations and extraction steps.
Use cases · October 6, 2026
Review extracted contacts, write a truthful and relevant enquiry, and keep permission, opt-outs and delivery checks separate from extraction.
Webpages · October 6, 2026
Understand entered-page loading, bounded same-site scans, source review and recovery when a website blocks loading.
Getting started · October 6, 2026
Compare domain lookup, extraction from existing files and pages, and local scripts. Understand their different purposes before choosing a tool.
Files and formats · October 6, 2026
Common regular expression patterns for finding email addresses in text. Covers basic patterns, edge cases and when regex is enough versus when a tool is easier.
List management · October 6, 2026
What role-based emails like info@, sales@ and support@ are, how they affect outreach and when to keep or remove them from your extracted list.
Email delivery · October 6, 2026
Understand SPF, DKIM and DMARC, how domain alignment works and how to inspect DNS and test-message results before sending.
Email delivery · October 6, 2026
Understand catch-all and accept-all results, why recipient checks remain uncertain and how to review sources without assuming delivery.
Email delivery · October 6, 2026
Interpret MX, null MX, empty answers and DNS failures without mistaking domain routing for mailbox verification.
Getting started · October 6, 2026
Email extraction finds email addresses inside files, text and webpages using pattern matching. Here is what it does, how it works and where it is useful.
Email delivery · October 6, 2026
Understand syntax, DNS and mailbox checks after email extraction, including catch-all domains, unknown results and limits on delivery guarantees.
