Description
At a glance
Looking for SMTP Mailer v1.1.28? It is available here as a free GPL download for WordPress — 70K+ active installs · 4.6/5 rating from 67 reviews · updated September 7, 2026 · requires WordPress 7.1+.
SMTP Mailer plugin allows you to configure a mail server which handles all outgoing email from your website. It takes control of the wp_mail function and use SMTP instead.
SMTP Mailer Add-ons
SMTP Mailer Settings
- SMTP Host: Your outgoing mail server (e.g. smtp.gmail.com).
- SMTP Authentication: Whether to use SMTP authentication when sending an email (True/False). If you choose to authenticate you will also need to provide your username and password.
- SMTP Username: The username to connect to your SMTP server.
- SMTP Password: The password to connect to your SMTP server.
- Type of Encryption: The encryption to be used when sending an email (TLS/SSL/No Encryption. TLS is recommended).
- SMTP Port: The port to be used when sending an email (587/465/25). If you choose TLS the port should be set to 587. For SSL use port 465 instead.
- From Email Address: The email address to be used as the From Email when sending a test email.
- From Name: The name to be used as the From Name when sending a test email.
- Force From Name: The From name in the settings is set for all outgoing email messages.
- Force From Email: The From email in the settings is set for all outgoing email messages.
- Force From Address: The From address in the settings is set for all outgoing email messages.
- Disable SSL Certificate Verification: As of PHP 5.6 a warning/error is shown if the SSL certificate on the server is not properly configured. This option lets you disable that behaviour.
SMTP Mailer Test Email
Once you have configured the settings you can send a test email to check the functionality of the plugin.
- To: Email address of the recipient.
- Subject: Subject of the email.
- Message: Email body.
Known Compatibility
SMTP Mailer should work with any plugin that uses the WordPress Mail function. However, It has been tested with the following form and contact form plugins:
- Contact Form 7
- Jetpack Contact Form
- Visual Form Builder
- Fast Secure Contact Form
- Formidable Forms
- Contact Form by BestWebSoft
For detailed setup instructions please visit the SMTP Mailer plugin page.
Frequently asked questions
What is SMTP Mailer?
SMTP Mailer is a free WordPress plugin available under the GPL license. The current version is 1.1.28. It is active on over 70K websites.
Is SMTP Mailer free to download?
Yes — SMTP Mailer 1.1.28 is a free GPL download with no hidden fees, no account needed, and no feature locked behind a paywall in this package. Users rate it 4.6 out of 5 based on 67 reviews.
How do I install SMTP Mailer 1.1.28?
Download the ZIP file from this page, then in your WordPress dashboard go to Plugins → Add New → Upload Plugin, choose the file, click Install Now, then Activate. The plugin works immediately after activation — no license key or extra setup is required for the core features.
What are the requirements for SMTP Mailer?
SMTP Mailer 1.1.28 requires WordPress 7.1 or higher. Most modern WordPress hosts already meet these versions. Running older versions may cause features to break, so update WordPress and PHP first if your site is behind.
When was SMTP Mailer last updated?
Version 1.1.28 was last updated on September 7, 2026. This page is refreshed automatically, so the download here always matches the newest version we have verified.
Is the SMTP Mailer download safe?
The file is sourced directly from the official WordPress.org repository — the same file the developer published. It is served unmodified, so what you install here is byte-identical to the official release.
Version: 1.1.28
Updated: October 1, 2026
Technical details
| Version | 1.1.28 |
|---|---|
| Last updated | September 7, 2026 |
| Active installs | 70,000+ |
| Rating | ★★★★★ 4.6/5 (67 reviews) |
| Requires WordPress | 7.1 or higher |
| Author | Noor Alam |
| Tags | email, mail, phpmailer, smtp |
Demo SMTP Mailer
Download SMTP Mailer
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