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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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Recent Q&A’s
Recently Updated
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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.
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Hostinger
Hostinger bundles up to 100 free mailboxes per domain. Default wp_mail uses PHP mail() unsigned. Standard SMTP ports open. Mailbox cap is 100/day per account.
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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.
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Maileroo as a WordPress SMTP Server
Maileroo is an Australian-owned, EU-resident transactional relay – 3,000 emails/month free, then $10 for 25,000, $15 for 50,000. Undercuts SMTP2GO and MailerSend at every tier, with feature parity across paid plans.
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MailerSend as a WordPress SMTP Server
MailerSend is the MailerLite team’s transactional relay – 500 emails/month free, Hobby at $7/month for 5,000, Starter from $35 for 50,000. Priced above SMTP2GO but cleaner than most marketing-first platforms for WordPress transactional email.
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SendPulse as a WordPress SMTP Server
SendPulse SMTP for WordPress: 12,000 emails/month free, $7.85 for 25K paid, EU-resident sending, and a 24-hour profile approval before the SMTP endpoint activates.
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Free and unauthenticated SMTP servers in 2026
What free SMTP servers still exist in 2026, why unauthenticated SMTP no longer reaches inboxes at Gmail and Microsoft 365, and what a WordPress site can use.
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Email service webhooks in WordPress: events, verification, retries
How ESP delivery-status webhooks work in WordPress: what Postmark, Mailgun, SendGrid, SES and Mailjet send, how to receive them, and how to verify them.
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ImprovMX Email Forwarding Service
ImprovMX forwards email for custom domains with a usable free tier and paid SMTP sending. The right choice for simple forwarding; not a mailbox replacement.
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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.
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Every Email WordPress Core Sends: the wp_mail catalog
The catalog of transactional emails WordPress core sends — comments, password resets, GDPR, updates, recovery mode — with trigger, default recipients, and the filters that control each one.
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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.