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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.
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MailHawk as a WordPress SMTP Server
MailHawk is a WordPress-only email service with plugin-based integration. Basic plan $1/mo for 1,000 emails. A niche option for Groundhogg users; most sites are better served by standard SMTP relays.
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Zoho Mail as a WordPress SMTP Server
Zoho Mail is a mailbox service usable as WordPress SMTP relay via OAuth plugin or generic SMTP. Free for 5 users. Adequate for low-volume sites already on Zoho.
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SMTP.com as a WordPress SMTP Server
SMTP.com is a high-volume email relay with 22+ years of operation. Entry at $25/mo for 50K emails. Overpowered for typical WordPress sites; relevant for large WooCommerce or membership platforms.
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SendLayer as a WordPress SMTP Server
SendLayer is a transactional relay from the WPBeginner/Awesome Motive ecosystem. Annual plans from $5/mo. Outpriced by SMTP2GO and Postmark at every tier.
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SMTP2GO as a WordPress SMTP Server
SMTP2GO is a transactional email relay with a free tier (1,000 emails/month) and no marketing overhead. Starter plan is $10/month. The right tool when WordPress just needs email to work.
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Postmark as a WordPress SMTP Server
Postmark is a transactional-first email relay with deliverability as its core product. Basic plan starts at $15/month for 10,000 emails. The right default for WordPress sites that need email to arrive.
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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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Gmail as a WordPress SMTP Server
Gmail can relay WordPress emails via SMTP using OAuth2 or App Passwords. Free accounts allow 500 sends/day; Workspace allows 2,000. Not a transactional service.
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Elastic Email as a WordPress SMTP server
Elastic Email’s transactional API starts at $19/month for 50,000 emails. No free tier. Competitive at volume but overpriced below 30K sends/month for WordPress.
