SMTP Mailer

Description

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 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 Address when sending an email.
  • From Name: The name to be used as the From Name when sending an email.

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.

Screenshots

  • SMTP Mailer Settings
  • SMTP Mailer Test Email Tab

Installation

  1. Go to the Add New plugins screen in your WordPress Dashboard
  2. Click the upload tab
  3. Browse for the plugin file (smtp-mailer.zip) on your computer
  4. Click “Install Now” and then hit the activate button

FAQ

Can I send email via SMTP from my website using this plugin?

Yes.

Can I use this plugin with Gmail SMTP?

Yes.

Can I use this plugin on any SMTP port?

Yes.

Can I use this plugin with Sendinblue SMTP?

Yes.

Can I use this plugin with Mailgun SMTP?

Yes.

Can I use this plugin with SendGrid SMTP?

Yes.

Can I use this plugin with Postmark SMTP?

Yes.

Can I use this plugin with Office365 SMTP?

Yes.

Can I use this plugin with ZohoMail SMTP?

Yes.

Reviews

24 กุมภาพันธ์ 2023
Great Plugin for extended SMTP Support that has all you need:mail settings, a form for testing the configuration and a proper debug view (something you miss in most other smtp plugins)! No stupid "Pro" Versions that only add bloated and useless stuff like WP Mail SMTP or Easy WP SMTP do. (Honestly, you should manage your mails on your smtp provider, not inside worpdress) And because of its simplicity it works with everything. If you form plugin is not working, the problem lies in the form plugin.
22 กุมภาพันธ์ 2023
This is THE plugin you need to send e-mails. Forget about WPForms, Easy WP SMTP (after their upgrade it got super-bloated) or others. You just need to send e-mails, and this is the plugin to do it. Easy and lightweight.
16 กุมภาพันธ์ 2023 1 reply
After Easy WP SMTP sold the plugin to a company it includes much Bloatware, 9 MB! SMTP Mailer has 52 kb! I switched all projects to SMTP Mailer, took less than a minute. It is small, it does what it should. Not more, not less. Thank you!
1 มกราคม 2023
Tiny and flawless in function...just perfect!!!
12 ธันวาคม 2022
This plugin is the most lightweight and does it's job well. You also have the test mail functionality that gives you output to fix any problems there might be. Download the others here on wordpress.org and you will see some are megabytes, the smaller a plugin the less of a performance footprint it will have on your site. Go for this one.
Read all 46 reviews

Contributors & Developers

“SMTP Mailer” is open source software. The following people have contributed to this plugin.

Contributors

“SMTP Mailer” has been translated into 15 locales. Thank you to the translators for their contributions.

Translate “SMTP Mailer” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

1.1.5

  • Compatibility update for WordPress 6.1.

1.1.4

  • Updated the mail function for WordPress 6.0.

1.1.3

  • Updated the mail function for WordPress 5.9.

1.1.2

  • Fixed an issue that could cause an Undefined variable error if $attachments was not set.

1.1.1

  • WordPress 5.7 compatibility update.

1.1.0

  • The password field can be left empty when updating the settings.

1.0.9

  • Updated the code to be compatible with WordPress 5.5.

1.0.8

  • SMTP Mailer is compatible with WordPress 5.3.

1.0.7

  • SMTP Mailer now checks for a valid nonce when sending a test email.

1.0.6

  • SMTP Mailer no longer shows the saved password in the settings.

1.0.5

  • SMTP Mailer is now compatible with WordPress 4.9.

1.0.4

  • Updated the mail() function by setting its minimum requirements to WordPress 4.8.
  • “phpmailer_init” action hook is now enabled so it can be used by other plugins.

1.0.3

  • Fixed a bug where an apostrophe in the password would cause SMTP authentication failure.

1.0.2

  • SMTP Mailer now supports the “wp_mail_failed” hook which fires after a phpmailerException is caught.
  • Added a new option to bypass this error on some servers where the SSL certificate is not properly configured – Warning: stream_socket_enable_crypto(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed.

1.0.1

  • First commit