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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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Recently Updated
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Transactional email and WordPress
Transactional email goes to one recipient following one action they initiated. Here is what WordPress core and WooCommerce send, and how the legal carve-out works.
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How Email Works: A WordPress Operator’s Reference
The five-stage delivery chain from wp_mail() to inbox, what the operator controls, and how SPF, DKIM, and DMARC work as a system.
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The WordPress email FAQ
Answers to common WordPress email questions covering configuration, deliverability, authentication, and the tools involved.
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WordPress.com vs WordPress.org Email: Who Owns the Sending Pipeline
On WordPress.com, Automattic owns the sending pipeline and domain. On WordPress.org, the operator does. Every email behaviour difference follows from that.
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WordPress hosts where wp_mail works without a plugin
Seven WordPress hosts route wp_mail through a signed relay by default. Password resets land without a mailer plugin. Which to pick, when, and why.
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Email Forwarding Services for Custom Domains: What Actually Works
Forwarding-only or forwarding-with-sending? Six services compared on pricing, SMTP capability, and fit for WordPress transactional email.
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Free SMTP Servers for WordPress
SMTP providers with a $0 entry point that work for WordPress transactional email. What each free tier actually includes, and which ones are worth it.
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The SMTP Field Manual
The SMTP Field Manual catalogues real-world bounce messages from major mailbox providers and spam filters – the lookup step in WordPress bounce diagnosis.
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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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Liquid Web
Liquid Web VPS/dedicated: cPanel email, open SMTP ports, no sending cap. Managed WordPress (formerly Nexcess) from $19/mo; platform relay handles wp_mail().
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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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DreamHost
DreamHost bundles email with DreamPress; shared plans charge $1.99/mailbox/month after 3 months. PHP mail() unsigned; port 25 blocked. 100 recipients/hour cap.