Free WordPress email tools: SPF, DKIM, DMARC, and more.

Try the tools

nanoPost

The WordPress Email Authority

FREE expert advice on setup, maintenance, and troubleshooting

Your WordPress email problems solved

Welcome to nanoPost, or, as we’d like to think of ourselves, The WordPress Email Authority. Our mission is to help you solve your WordPress email problems, whether it’s setting up, maintaining, or troubleshooting. Our expert guides, Q&A, reviews, and news on WordPress SMTP, contact forms, and more are here to provide you make the best choices.

Have a WordPress email problem right now? Ask us about it.

We’ll attempt to publish a solution ASAP for free. Challenge us!




    Our Guides

    See all Guides

    Recent Q&A’s

    See all Q&A’s

    Recently Updated

    • Mailjet as a WordPress SMTP Server

      Mailjet’s free tier sends 6,000 emails/month from WordPress. Marketing and transactional email run on one account, with EU data centers. Fits sites already using Mailjet campaigns or wanting a single EU provider for both.

    • Mailgun as a WordPress SMTP Server

      Mailgun is mature developer-focused email infrastructure. HTTP API and SMTP relay, permanent free tier of 100 emails/day, inbound routing, email validation, and granular event webhooks. Fits high-volume, developer-led projects and agencies running per-domain sending reputation.

    • Mailgun for WordPress Review

      Mailgun’s official WordPress plugin routes wp_mail() through Mailgun’s API over HTTPS, bypassing host SMTP port blocks. Free plugin; Mailgun’s free plan caps sending at 100 emails a day.

    • Free SMTP Servers for WordPress

      Thirteen free SMTP options for WordPress, ranked by whether the $0 tier is actually permanent. Permanent free plans, trials, and testing sandboxes – separated.

    • Best WordPress SMTP plugins: WP Mail SMTP vs FluentSMTP vs Post SMTP

      WP Mail SMTP, FluentSMTP, and Post SMTP compared by use case. Free vs paid feature splits, where each plugin is the wrong choice, and the also-rans.

    • WPForms Lite review

      WPForms Lite is a free drag-and-drop form builder for WordPress. No local entry storage, no conditional logic, and most integrations require a paid plan from $49.50/year.

    • Contact Form 7 review

      Contact Form 7 uses wp_mail(), so any mailer plugin routes its submissions automatically. Free, no Pro tier, add-ons fill the rest.

    • Disable Emails Review

      Pluggable wp_mail() replacement that silences WordPress notifications on staging, dev, and freshly imported sites. Not a permanent outbound off-switch.

    • SMTP Mailing Queue WordPress plugin review

      SMTP Mailing Queue replaced pluggable wp_mail and queued mail to JSON files on disk. Closed by author request on 2024-10-09; no longer on wp.org.

    • GD Mail Queue Review

      Queue-based wp_mail interceptor by Milan Petrovic. Capable architecture and the deepest logging panel in the category. Eighteen months without a release.

    • Mail Queue WordPress plugin review

      Mail Queue by WDM queues WordPress email via the pre_wp_mail hook, leaving SMTP plugins untouched. Actively maintained: v1.6.1, tested up to WordPress 7.0.

    • WP Test Email Review

      Free WordPress test-send and 30-day email log utility. Smaller and simpler than Check & Log Email; the minimum-config alternative when richer logs are not needed.