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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    • 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.

    • SimpleLogin Email Aliasing Service

      SimpleLogin is a privacy-first email aliasing service owned by Proton. Unlimited aliases and custom domains on the $4/month Premium tier. Fully open-source and self-hostable.

    • Mailgun as a WordPress SMTP Server

      Mailgun is mature developer-focused email infrastructure. HTTP API and SMTP relay, permanent free tier of 100 emails/day, inbound routing, email validation, and granular event webhooks. Fits high-volume, developer-led projects and agencies running per-domain sending reputation.

    • Migadu Email Hosting and Forwarding

      Migadu is a flat-rate Swiss email host: unlimited addresses across unlimited custom domains at every paid tier. Priced for operators past per-seat mailboxes.

    • addy.io Email Aliasing Service

      addy.io (formerly AnonAddy) is an independent, open-source email aliasing service. Unlimited standard aliases on custom domains from $3/month on the Pro tier.

    • Free SMTP Servers for WordPress

      Thirteen free SMTP options for WordPress, ranked by whether the $0 tier is actually permanent. Permanent free plans, trials, and testing sandboxes – separated.

    • Resend as a WordPress SMTP Server

      Resend gives a WordPress site 3,000 emails a month free, a dedicated third-party plugin, native WP Mail SMTP support, and per-domain regions across four continents. For most sites, that is the answer.

    • Best email forwarding services in 2026: picks for a WordPress site

      The best email forwarding service for a WordPress site depends on whether you need to send from the domain, not just receive. Eight services compared.

    • 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 (Growth from ₹12,000/mo for 5,000 MTUs, channel delivery separate). Free tier allows 100 emails/day. Most WordPress sites should use simpler alternatives.

    • Zeptomail (by Zoho) as a WordPress SMTP Server

      Zeptomail is Zoho’s transactional-only email relay. Credit-based pricing at $2.50/10K emails with no monthly fee. Best for sites already using Zoho.

    • 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.

    • Amazon SES as a WordPress SMTP Server

      Amazon SES is still the cheapest per-message option in this category, but new accounts default to the Essentials plan at $0.16 per 1,000 outbound; the $0.10 per 1,000 à la carte rate is still selectable, and Pro/Enterprise trade a monthly base fee for included deliverability tooling.