Introduction
Post SMTP Mailer is a service-agnostic WordPress mailer plugin. It connects to any SMTP server and adds logging, OAuth 2.0 authentication, and delivery failure notifications on top.
Features and Functionality
Features of the standard version
- OAuth 2.0 support for added security
- Built-in email log and resend functionality
- Compatibility with a wide range of contact form and newsletter plugins
- Configuration wizard with automated test tool
- Push notifications about email failures to: Chrome, Slack, Pushover, and Twilio SMS
Features of the Pro version
Post SMTP Mailer does not have a traditional Pro version, but it offers a range of Pro Extensions that enhance the plugin’s functionality:
- Office365 API delivery: Connect PostSMTP with Outlook and Microsoft 365 accounts for improved email deliverability.
- Amazon SES API delivery: Route WordPress email through Amazon SES via PostSMTP.
- Zoho Mail API delivery: Connect PostSMTP with your Zoho Mail account for better email deliverability.
- Twilio Pro Extension: Receive SMS notifications and alerts for undelivered emails with your phone number.
- Better Email Logger Extension: Design email marketing campaigns and improve email deliverability.
- Mail Control Pro Extension: Control Post SMTP’s email actions like sending email alerts to authors, webmasters, and new users.
Pricing and Plans
The standard version of Post SMTP Mailer is available for free on the WordPress plugin directory. The Pro Extensions range between $30 to $100 per year, depending on the number of site licenses (from a single site to 30-site license).
Configuring Post SMTP Mailer
The plugin’s configuration wizard auto-detects SMTP settings and runs a test send. Standout settings include custom reply-to address, Cc/Bcc values, custom headers, and fallback SMTP service configuration.
Customer Support and Resources:
- For the free version, visit the
plugin’s support page on wordpress.org - For the Pro Extensions, visit the creator’s support page which offers support via email and documentation.