Resources, tools, and practical email workflow help.

A single place to find BuffSend's free tools, templates, guides, support pages, and policy references. Use it as a working directory, not a marketing page.

Authentication And Deliverability

Check domain records, sender readiness, email validity, and basic list health before you send.

Free tool

SPF Checker

Verify whether a domain has an SPF record and review the sending mechanisms it allows.

Open SPF Checker

Free tool

DKIM Checker

Look up a DKIM selector and check whether the public signing record is present.

Open DKIM Checker

Free tool

DMARC Checker

Review DMARC policy, alignment, reporting addresses, and enforcement level.

Open DMARC Checker

Free tool

Email Verifier

Check email format and domain records before adding an address to a campaign list.

Open Email Verifier

Free tool

List Hygiene Checker

Paste a list and quickly find invalid formats, duplicates, and addresses that need cleanup.

Open List Hygiene

Free tool

Send Time Calculator

Estimate practical send windows by audience region, campaign type, and sending constraints.

Open Calculator

Content And Campaign Assets

Draft better campaign content, preview templates, and catch obvious copy problems before launch.

Templates

Email Template Gallery

Browse finished email templates with full previews for campaigns, newsletters, onboarding, and follow-ups.

Browse Templates

Free tool

Spam Word Analyzer

Check campaign copy for language that can raise filtering risk or weaken the message.

Open Analyzer

Free tool

Subject Line Tester

Review subject length, spam triggers, punctuation, and basic readability before sending.

Open Tester

Free tool

Email Preview Simulator

Preview sender name, subject, and preheader as an inbox-style message before launch.

Open Previewer

Free tool

Personalization Previewer

Preview merge tags against sample contact fields so personalization does not look broken.

Open Previewer

Learning And Reference

Use these when you need explanations, setup steps, or practical email workflow guidance.

Insights Blog Read articles Knowledge Base Find answers SPF, DKIM, DMARC Explained Open guide Importing Contacts From CSV Open guide Building Email Sequences Open guide Campaign Analytics Open guide

Support And Policies

Direct links for account questions, sending rules, privacy, and service terms.

Contact BuffSend Open form Frequently Asked Questions View FAQ Sending Policy Read policy Terms of Service Read terms Privacy Policy Read policy Cookie Policy Read policy