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.
Have a WordPress email problem right now? Ask us about it.
We’ll attempt to publish a solution ASAP for free. Challenge us!
Recent Q&A’s
Recently Updated
-
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.
-
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.
-
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.
-
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.