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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.

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    Recently Updated

    • Zoho ZeptoMail plugin review

      Zoho’s official WordPress plugin for Zeptomail (formerly TransMail). API-based, multi-agent routing, failed-email log, retry, test send. No Pro tier.

    • Zeptomail (now Zoho CPaaS) as a WordPress SMTP Server

      Zeptomail (now Zoho CPaaS) is Zoho’s transactional email relay. $2.50 per 10,000-email credit, 6-month expiry, no monthly fee, first credit free. Best for sites already on Zoho.

    • WP Offload SES review

      WP Offload SES is the SES-only WordPress mailer. Domain verification, send-rate stats, and weekly health reports in the WordPress admin.

    • Post SMTP review

      Post SMTP is the WordPress mailer plugin that pushes failed-send alerts to a mobile app. Logging, OAuth, and a fallback SMTP connection ship in the free version.

    • Meow Mailer review

      Meow Mailer is a new free WordPress mailer plugin from Jordy Meow. Fourteen providers, OAuth for Gmail, Microsoft 365, and Zoho. No Pro tier, no tracking.

    • Best Amazon SES plugin for WordPress: WP Offload SES vs FluentSMTP vs WP Mail SMTP Pro

      The six WordPress mailer plugins with native Amazon SES support, compared by fit. Which is free, which needs Pro, and where each one is the right choice.

    • Best WordPress email log plugins for 2026: 5 tested picks

      Five WordPress email log plugins compared by hook path, resend action, and price. Which is free, which needs Pro, and where each one is the right choice.

    • FluentSMTP review

      FluentSMTP is the open-source WordPress mailer plugin from WPManageNinja. Logging, multiple connections, fallback, and OAuth, all in the free version.

    • Netcore Email API (formerly Pepipost) as a WordPress SMTP Server

      Netcore Email API (formerly Pepipost) is an enterprise-focused relay. Pricing shifted to Growth and Enterprise tiers on the Customer Engagement Platform, billed by Monthly Tracked Users and sold by custom quote, with channel delivery separate. Free tier allows 100 emails/day. Most WordPress sites should use simpler alternatives.

    • Zoho Mail as a WordPress SMTP Server

      Zoho Mail is a mailbox service usable as a WordPress sending path via its plugin or SMTP. Adequate for low-volume sites already on Zoho; the free plan has no IMAP or POP.

    • Postmark as a WordPress SMTP Server

      Postmark review, for WordPress: pricing from $15/mo for 10,000, stream separation, WP Mail SMTP setup. The right transactional default.

    • 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.