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Notes on email, written by people who clean it for a living.

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DeliverabilityFeatured

How to Block Disposable Email Addresses (Identify, Block, and Clean Up)

Disposable email addresses pass signup, grab the freebie, then go dead — leaving bounces and skewed metrics behind. Here is how to identify them, block them at signup, and scrub the ones already on your list.

mailfloss team

Aug 11, 2026 · 3 min read

#deliverability  #verification  #deliverability

290 articles

comparisons/

Comparisons

MailerLite vs ActiveCampaign (plus mailfloss): Which Email Marketing Platform Should You Choose in 2026?

Compare MailerLite's simplicity and free plan vs ActiveCampaign's automation power—plus why mailfloss keeps both platforms delivering.

mailfloss team · Aug 5, 2026 · 3 min read

comparisons/

Comparisons

10 Best HubSpot Integrations for Growing Teams (2026)

The HubSpot App Marketplace lists over a thousand integrations. Here are ten worth evaluating first, grouped by the job they do — plus the one thing to check before connecting each.

mailfloss team · Aug 5, 2026 · 3 min read

deliverability/

Deliverability

How to Reduce Spam Signups, Bot Signups, and Bounces in HubSpot

Bot signups and fake emails inflate your HubSpot marketing contact bill and drag down deliverability. Here is how to stop them at the form and clean up what already got through.

mailfloss team · Aug 5, 2026 · 3 min read

comparisons/

Comparisons

Constant Contact vs HubSpot (plus mailfloss): Which Email Marketing Stack Fits Your Business in 2026?

Compare Constant Contact vs HubSpot for email marketing in 2026 — and see why mailfloss keeps both performing at their best.

mailfloss team · Jul 29, 2026 · 3 min read

security & compliance/

Security & Compliance

Email Security Auditing: Annual Checklist

Run a thorough annual email security audit: review SPF, DKIM, and DMARC, access controls, and incident response with this step-by-step checklist for teams.

mailfloss team · Jul 22, 2026 · 3 min read

security & compliance/

Security & Compliance

Email Fraud Prevention: Protecting Your Business

Stop email fraud before it costs you: learn to spot BEC, phishing, and spoofing, harden SPF, DKIM, and DMARC, and train your team to keep your business safe.

mailfloss team · Jul 15, 2026 · 3 min read