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.

Have a WordPress email problem right now? Ask us about it.

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    Recently Updated

    • Elastic Email as a WordPress SMTP server

      Elastic Email’s transactional API starts at $19/month for 50,000 emails. A free Pilot plan exists (SMTP and API access, undisclosed sending limits). Competitive at volume but overpriced below 30K sends/month for WordPress.

    • Cloudflare Email Routing

      Cloudflare Email Routing forwards inbound mail for free on any domain on Cloudflare DNS, with the same authentication stack (SRS, ARC, DKIM) as paid services.

    • Presslabs

      Presslabs (Kubernetes-based managed WordPress) provides no bundled email. Transactional wp_mail() routes through a preconfigured relay; no email hosting.

    • WPX Hosting

      WPX Hosting includes email on Business and above (Starter excluded). Limit: 50 emails per 30-minute period, 49 recipients max. Bulk email prohibited.

    • Kinsta

      Kinsta sends WordPress mail through MailChannels with auto-signed DKIM. No bundled mailboxes. Port 25 blocked; 465/587/2525 open. Daily caps 150-3,000.

    • A2 Hosting (now Hosting.com)

      Hosting.com (formerly A2) caps shared mailboxes at 5/10/20/40 by plan and sending at 100/hour, 2,400/day. External SMTP blocked; outbound via MailChannels.

    • Bluehost

      Bluehost includes domain email on all WordPress plans. Default wp_mail uses PHP mail(), unsigned. Sending limit is 500 emails/hour per domain. SMTP ports open.

    • FastComet

      FastComet (WHG-owned since April 2025) tiers mailboxes 5/25/Unlimited/Unlimited and runs outbound through SpamExperts. SMTP open; no published sending limit.

    • SiteGround

      SiteGround bundles full domain email and signs WordPress mail with an auto-published DKIM. Hourly caps: 400 (entry plans), 800 (GoGeek and Cloud).

    • GreenGeeks

      GreenGeeks tiers sending limits by plan (100/300/500 per hour on Lite/Pro/Premium) and includes 50 mailboxes on Lite 25. SMTP open; no external-SMTP block.

    • 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().

    • InMotion Hosting

      InMotion Hosting (Launch/Power/Pro, all unlimited mailboxes) routes outbound through MailChannels since Dec 2024. 250/hour per domain; SMTP open.