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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

    • Easy WP SMTP (by SendLayer) review

      Easy WP SMTP is the smaller of Awesome Motive’s two mailer plugins. Free version covers most setups; full email logging is Pro.

    • SendLayer as a WordPress SMTP Server

      SendLayer is a transactional relay from Awesome Motive (WPBeginner / WP Mail SMTP), with turnkey Quick Connect setup through Easy WP SMTP. Annual plans from $5/mo.

    • 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.

    • 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.

    • 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.

    • SMTP.com as a WordPress SMTP Server

      SMTP.com is a high-volume email relay with 22+ years of operation. Entry at $25/mo for 50K emails. Overpowered for typical WordPress sites; relevant for large WooCommerce or membership platforms.

    • SendPulse as a WordPress SMTP Server

      SendPulse SMTP for WordPress: 12,000 emails/month free, $7.85 for 25K paid, EU-hosted sending with a US sub-processor, and profile moderation on some accounts, usually up to 24 hours.

    • SendGrid as a WordPress SMTP server

      SendGrid is a high-volume email platform owned by Twilio. Essentials plan starts at $19.95/month for 50,000 emails. Priced and featured above what most WordPress sites need, but a defensible choice at enterprise scale.

    • 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.

    • Microsoft 365 as a WordPress SMTP Server

      Microsoft 365 can relay WordPress mail through Exchange Online via SMTP AUTH or OAuth. Per-mailbox cap is 10,000 recipients per day, 30 messages per minute. SMTP AUTH Basic Authentication is default-off on existing tenants from the end of December 2026; OAuth is the only path that survives the cutoff.

    • MailPoet as a WordPress SMTP Server

      MailPoet is a WordPress newsletter platform (500K+ installs, by Automattic) with its own sending service. Built for newsletters and marketing automation from inside WordPress; not designed as a standalone transactional SMTP relay.

    • 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.