Home › Changelog
EmailNa changelog
What changed on EmailNa, newest first, including corrections. Found something wrong? Tell us.
EmailNa 3 October 17, 2026
- New email troubleshooter: pick a problem, paste a bounce or enter your domain, and get the likely causes in order with a report for IT.
- New SMTP error code library: 38 common bounce codes, each with real examples, causes and fixes.
- New email server settings for 24 providers, checked against each provider's own help pages.
- New attachment size calculator.
- Five technical guides: SMTP conversation explained, email header fields, TLS vs STARTTLS, forwarding and DMARC and email encoding.
- Site search now covers guides, tools, error codes, settings and the glossary, and forgives typos.
- Copy buttons on server names, a "Report it" link on every page, and cleaner printing.
- Corrections: updated Gmail bounce wording to match Google's current error list, Zoho server names for free vs paid plans, and Microsoft 365's timeline for retiring password sign-in for SMTP.
EmailNa 2.0 October 2026
- New tools: email header analyzer, bounce message decoder, SPF record generator and DMARC record generator.
- Six topic hubs and an email glossary.
- Author bylines, how we research and the trust center.
- Corrections: removed an outdated Brevo SPF include, updated Microsoft's sender requirements date, and marked the DMARC pct tag as legacy.