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Alternatives · Email Sending

Post SMTP alternatives

As of Nov 13, 2026, the highest-graded Post SMTP alternative is FluentSMTP (3.2 GPA). It's also the best free one.

Post SMTP compared with 4 alternatives: WP Mail SMTP, FluentSMTP, SendLayer and SMTP.com.

Post SMTP has a free plan. 2 of the 4 alternatives are free or have a free plan. One more offers a free trial.

Listings checked up to Nov 13, 2026 · Where the facts come from

Black Friday: is there a Post SMTP sale?

At a glance

ToolPriceFree planRuns on
Post SMTPThis toolFree planYesWeb, iOS, Android
WP Mail SMTPFree plan · from $99/yrYesWeb
FluentSMTPFreeFreeWeb
SendLayerFree trial · from $5/moTrial onlyWeb
SMTP.comFrom $25/moNoWeb

How each one differs from Post SMTP

  1. WP Mail SMTP

    WordPress plugin that routes site email through an SMTP provider

    • WP Mail SMTP starts at $99 per year for 1 site at renewal, after a first year for $49.
    • WP Mail SMTP lists no iOS and Android apps, which Post SMTP has.

    Suits: WordPress sites whose emails go to spam or never arrive

    WP Mail SMTP vs Post SMTPWP Mail SMTP pricing and details

  2. FluentSMTP

    Free WordPress plugin for sending site email through your provider

    • FluentSMTP is free.
    • FluentSMTP lists no iOS and Android apps, which Post SMTP has.
    • FluentSMTP is open source, according to its own site.

    Suits: WordPress site owners who want email logging without paying for a plugin

    FluentSMTP vs Post SMTPFluentSMTP pricing and details

  3. SendLayer

    Transactional email over SMTP or API, aimed at WordPress sites

    • SendLayer starts at $5 per month for 1,000 emails, billed annually.
    • SendLayer has no free plan, only a free trial, unlike Post SMTP.
    • SendLayer lists no iOS and Android apps, which Post SMTP has.
    • SendLayer does not cover reports, which Post SMTP does.

    Suits: WordPress and WooCommerce sites that need reliable system emails

    SendLayer vs Post SMTPSendLayer pricing and details

  4. SMTP.com

    SMTP relay and email API sold in monthly volume plans from 50,000

    • SMTP.com starts at $25 per month for 50,000 emails.
    • SMTP.com has no free plan, unlike Post SMTP.
    • SMTP.com lists no iOS and Android apps, which Post SMTP has.
    • SMTP.com does not cover reports, which Post SMTP does.

    Suits: Senders who already need 50,000 emails a month or more

    SMTP.com vs Post SMTPSMTP.com pricing and details

Limits worth knowing in Post SMTP

  • Runs only inside WordPress and needs an account with a separate mailer.
  • The plugin listing marks Microsoft 365 and Gmail one-click setup, Amazon SES, Zoho Mail, auto-resend of failed emails and email batching as Pro features.
  • Pro pricing could not be read: the vendor's own site, postmansmtp.com, showed a maintenance page on 2026-11-13.
Post SMTP pricing and details

Common questions

What are the alternatives to Post SMTP?

The alternatives to Post SMTP in this directory are WP Mail SMTP, FluentSMTP, SendLayer and SMTP.com. Each one has a side-by-side comparison with Post SMTP.

Is there a free alternative to Post SMTP?

Yes. FluentSMTP is free to use. WP Mail SMTP has a free plan alongside paid ones.

Is there an open-source alternative to Post SMTP?

FluentSMTP is described as open source on its own site.

When were these prices checked?

Each listing shows its own date. On this page they run from Oct 18, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.