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Site Mailer vs WP Mail SMTP

Updated 11 Oct 2026. 23 features compared side by side.

Site Mailer

★★★★★★★★★★ 2.5 (17)

Elementor's hosted email sending service for WordPress (now listed as Email Deliverability). No SMTP setup, logs, resend and open tracking; 200 free emails.

Free installs200K+
From$228/yr
UpdatedJul 2026
VS

WP Mail SMTP

★★★★★★★★★★ 4.8 (5,209)

Widely used SMTP plugin from the WPForms team: 15 mailers free, with logs, alerts, backup connections and smart routing in Pro.

Free installs4M+
From$99/yr
UpdatedOct 2026

Choose Site Mailer if…

  • You need no paywalled mailers

Choose WP Mail SMTP if…

  • You need API mailer integrations and any SMTP server
  • You also want Gmail & Google workspace and failure alerts
  • You want the more complete feature set (96/100 vs 36/100)
  • You want the lower entry price ($99/yr vs $228/yr)

Site Mailer includes 1 feature that WP Mail SMTP lacks, including No paywalled mailers; WP Mail SMTP has 11 that Site Mailer lacks, including Any SMTP server, API mailer integrations and Gmail & Google Workspace. Both include 10 of the 23 features we track. 1 feature is not yet verified for one or both plugins.

At a glance

Site Mailer
WP Mail SMTP
36/100
Feature score
96/100
11 of 23
Features included
22 of 23
2.5/5
WordPress.org rating
4.8/5
200K+
Active installs
4M+
n/a
Support threads resolved
71%

Feature comparison

Click a screenshot to see both plugins side by side.

Feature
Site Mailer
WP Mail SMTP
Sending & mailers2/88/8
Any SMTP server KeySend through any SMTP host with your own credentials.
Site Mailer Not included

Sends only through Elementor's cloud service; you cannot enter your own SMTP host.

WP Mail SMTP Included

Other SMTP mailer connects to any host with your own credentials.

API mailer integrations KeyNative API connections to SendGrid, Mailgun, Brevo, Postmark and similar.
Site Mailer Not included

No third-party provider connections; Elementor's own email API is the only mailer.

WP Mail SMTP Included

Free API mailers include SendLayer, SMTP.com, Brevo, Mailgun, SendGrid, Postmark, SparkPost and more.

Gmail & Google Workspace KeySign in with Google (OAuth) instead of storing a password.
Site Mailer Not included

No Gmail or Google Workspace connection.

WP Mail SMTP Included

Free Gmail mailer uses OAuth with your own Google app; one-click Gmail setup is Pro.

Microsoft 365 / OutlookSend through Outlook or Microsoft 365 with OAuth.
Site Mailer Not included

No Microsoft 365 or Outlook connection.

WP Mail SMTP Paid version Pro

Microsoft Outlook.com/Office 365 one-click mailer is only in paid plans.

Amazon SESNative Amazon SES integration.
Site Mailer Not included

No Amazon SES integration.

WP Mail SMTP Paid version Pro

Native Amazon SES mailer requires a Pro licence.

Backup connection KeyFalls back to a second mailer if the main one fails.
Site Mailer Partial

Falls back to native wp_mail if the Elementor service errors (v1.2.2); no second provider.

WP Mail SMTP Paid version Pro

Backup connection takes over and resends when the primary mailer fails.

Smart routingSend different emails through different connections by rules.
Site Mailer Not included

Single sending service with no routing rules.

WP Mail SMTP Paid version Pro

Route emails by subject, content, from/to address or source plugin.

Setup wizardGuided setup with a test email at the end.
Site Mailer Partial

One-click connect plus a custom domain DNS wizard; test email is sent separately from settings.

WP Mail SMTP Included

Wizard verifies mailer settings with the provider and ends with a test email.

Logs & monitoring5/77/7
Email log KeyKeeps a record of every email sent from the site.
Site Mailer Included

Logs subject, recipient, source, status, opens and date for 30 days.

WP Mail SMTP Paid version Pro

Log of every email with status, headers, content and source plugin.

Resend from the logResend failed or individual emails from the log.
Site Mailer Included

Resend single or bulk failed emails; needs 'Save email content' enabled.

WP Mail SMTP Paid version Pro

Resend or forward logged emails individually or in bulk.

Open & click trackingSee whether emails were opened and links clicked.
Site Mailer Partial

Tracks opens and open rate; no click tracking.

WP Mail SMTP Paid version Pro

Open and click rates shown in Pro email reports.

Failure alerts KeyAlerts by email, Slack, SMS or push when sending fails.
Site Mailer Not included

Only quota and renewal notices in the admin; no alerts when sends fail.

WP Mail SMTP Paid version Pro

Alerts via email, Slack, Teams, Discord, Twilio SMS or webhooks.

Automatic retry & queueQueues emails and retries failed sends automatically.
Site Mailer Not included

No queue or automatic retry is documented; failed emails are resent manually.

WP Mail SMTP Paid version Pro

Background queue and rate-limit queue; failed sends are retried through the backup connection.

Delivery reportsCharts or weekly summaries of sent and failed emails.
Site Mailer Partial

Dashboard totals for sent, delivered, opened and failed; no charts or email summaries.

WP Mail SMTP Partial

Lite sends a basic weekly total; charts and detailed weekly stats are Pro.

Log retention & attachmentsControl how long logs are kept, with optional attachment storage.
Site Mailer Partial

Logs are kept for a fixed 30 days; you can only choose whether email content is saved.

WP Mail SMTP Paid version Pro

Log retention period and optional attachment storage apply to the Pro email log.

Email control2/44/4
Force from name & addressOverride the sender name and address on every email.
Site Mailer Included

Sender name, From address (with custom domain) and Reply-To apply to all outgoing emails.

WP Mail SMTP Included

Force From Email and Force From Name override other plugins' sender details.

Turn WordPress emails on or offDisable individual core, update or WooCommerce notification emails.
Site Mailer Not included

No options to disable individual WordPress or WooCommerce emails.

WP Mail SMTP Paid version Pro

Turn off core comment, user, update and privacy emails; WooCommerce emails not covered.

Stop sending / test modeBlock outgoing email on staging sites or while testing.
Site Mailer Not included

No option to block or simulate outgoing email.

WP Mail SMTP Included

Do Not Send setting blocks all outgoing wp_mail emails.

Test email & diagnosticsSend a test email and see a readable error if it fails.
Site Mailer Included

Send a test email from General Settings; failure reasons appear in the log.

WP Mail SMTP Included

Email Test tool, plus Email Detective deliverability report.

Security & admin2/43/4
Secure credential storageStore keys in wp-config constants or encrypted in the database.
Site Mailer Partial

No provider keys stored; the site links to an Elementor account through a connect flow.

WP Mail SMTP Included

Mailer keys and SMTP passwords can be defined as wp-config constants.

Multisite supportNetwork-wide or per-site settings on multisite.
Site Mailer Not verified

Multisite support is not documented.

WP Mail SMTP Paid version Pro

Network-wide settings and central subsite logs are Pro; Lite can be set up per subsite.

No paywalled mailersAll supported mailers are available in the free version.
Site Mailer Partial

Same features in free, but sending is capped at 200 emails in total.

WP Mail SMTP Not included

Microsoft 365, Amazon SES and Zoho Mail mailers are reserved for Pro.

Developer hooks & WP-CLIHooks, filters or WP-CLI commands for developers.
Site Mailer Not included

No documented hooks, API or WP-CLI; only internal service-URL filters.

WP Mail SMTP Included

WP-CLI commands (since 4.9), constants and filters for developers.

Statuses: Yes Pro Add-on Partial 3rd-party No ?

Pricing compared

Site Mailer Freemium

Free$0
FreeFree one-off, 1 site
Elementor One$228 per year, 1 site
Elementor One Agency$540 per year, Unlimited

WP Mail SMTP Freemium

Free$0
LiteFree per year, Unlimited
Pro$99 per year, 1 site
Elite$149 per year, 1 site
Developer$249 per year, 20 sites
Agency$449 per year, 100 sites

Downloads trend

Site Mailer

6,103 downloads last week

WP Mail SMTP

543,473 downloads last week

Verdict

Based on our feature data Checked 11 Oct 2026

WP Mail SMTP scores higher on our feature checklist (96/100 against 36/100) and includes API mailer integrations, any SMTP server and Gmail & Google workspace that Site Mailer does not. Site Mailer still has the edge on no paywalled mailers. Paid plans start at $228/yr for Site Mailer and $99/yr for WP Mail SMTP. Check the features you rely on in the table below before deciding.

Biggest differences

API mailer integrations

Site Mailer: not included. WP Mail SMTP: included. Free API mailers include SendLayer, SMTP.com, Brevo, Mailgun, SendGrid, Postmark, SparkPost and more.

Any SMTP server

Site Mailer: not included. WP Mail SMTP: included. Other SMTP mailer connects to any host with your own credentials.

Gmail & Google Workspace

Site Mailer: not included. WP Mail SMTP: included. Free Gmail mailer uses OAuth with your own Google app; one-click Gmail setup is Pro.

Failure alerts

Site Mailer: not included. WP Mail SMTP: paid version (Pro). Alerts via email, Slack, Teams, Discord, Twilio SMS or webhooks.

Microsoft 365 / Outlook

Site Mailer: not included. WP Mail SMTP: paid version (Pro). Microsoft Outlook.com/Office 365 one-click mailer is only in paid plans.

Amazon SES

Site Mailer: not included. WP Mail SMTP: paid version (Pro). Native Amazon SES mailer requires a Pro licence.

Written from the feature, pricing and install data on this page, not from hands-on testing. How we compare.

Which would you choose?

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FAQ

Which is better, Site Mailer or WP Mail SMTP?

WP Mail SMTP scores higher on our feature checklist (96/100 against 36/100) and includes API mailer integrations, any SMTP server and Gmail & Google workspace that Site Mailer does not. Site Mailer still has the edge on no paywalled mailers. Paid plans start at $228/yr for Site Mailer and $99/yr for WP Mail SMTP. Check the features you rely on in the table below before deciding.

Which has more features?

WP Mail SMTP includes 22 of the 23 features we track, against 11 for Site Mailer. Feature count is only part of the picture; check which of the differences matter to you.

Is Site Mailer free?

Site Mailer has a free version on WordPress.org. Paid plans start at $228/yr.

Is WP Mail SMTP free?

WP Mail SMTP has a free version on WordPress.org. Paid plans start at $99/yr.

Feature data last changed 11 Oct 2026. Spotted something wrong? Suggest an edit to Site Mailer or WP Mail SMTP. Some links are affiliate links. We may earn a commission at no cost to you; it never affects our data or rankings.