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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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WordPress Email Queues: When You Need One and When You Don’t
wp_mail() sends email synchronously – every call blocks the PHP process until SMTP completes. A queue decouples sending from the page request. Here’s when that matters.
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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.
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WP Mail SMTP Review
The most-installed WordPress mailer plugin (4M+ sites). Broad mailer support and a setup wizard that works. Email logging requires the Pro plan ($99/year on renewal).
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Brevo (Sendinblue) as a WordPress SMTP Server
Brevo’s free tier sends 300 emails/day from WordPress via SMTP or API. A marketing platform that also handles transactional email – good fit for some sites, more platform than others need.
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Free SMTP Servers for WordPress
SMTP providers with a free tier that works for WordPress transactional email – what each includes, where the limits are, and which ones are worth configuring.
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SMTP Mailer (by naa986) review
SMTP Mailer review — a minimal, free WordPress mailer plugin with a unique feature, full SMTP session capture for debugging delivery failures.
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Mandrill (now Mailchimp Transactional Email) mailer plugin review
Introduction Send Emails with Mandrill by Miller Media is a forked version of the now unsupported wpMandrill plugin, created by Matt Miller. It uses Mandrill (now Mailchimp Transactional Email, MTE) API to send outgoing emails, with or without attachments, from your WordPress installation. This plugin replaces the wp_mail function included with WordPress. Features and Functionality…
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WP Offload SES (by Delicious Brains) review
Offload your WordPress email with WP Offload SES Lite, a WordPress plugin by Delicious Brains. Harness Amazon SES, automatic bounce handling, and advanced email throttling for improved email management.
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Zeptomail WordPress mailer plugin review
ZeptoMail for WordPress review — Zoho’s dedicated mailer plugin for their Zeptomail transactional email service. Connects via API, not generic SMTP.
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Mailhawk Plugin
MailHawk review — a bundled mailer + SMTP service for WordPress that handles delivery, subscriber management, and send analytics in one plugin.
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Plugin “Gmail SMTP” (by naa986) review
Introduction Gmail SMTP by naa986 is a WordPress mailer plugin dedicated to Gmail. Its main advantage over generic SMTP plugins is built-in OAuth 2.0 authentication, which avoids the need for App Passwords. Features Pricing and Plans Gmail SMTP by naa986 is available for free on the WordPress plugin directory. There are no premium tiers or…
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Email service webhooks and WordPress
Understand webhooks and their relevance to WordPress site operations. This article outlines their functionality, connection process, data analysis, and provides a comparison of different Email Service Providers’ offerings.
