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Free Plugin by Oderland Webbhotell AB v1.4.5

Oderland SMTP & Postal Mailer

Send transactional emails from WordPress using SMTP or Postal with logging and delivery tracking.

Oderland SMTP & Postal Mailer

The facts

Rating
5★ from 1
Active installs
100+
Price
Free
Last updated
25 Aug 2026
Added
Jan 2026
Requires WP
6.4
Tested up to
WP 7.1
Requires PHP
8.1
Downloads
1,689

Our analysis

AI-assisted

Oderland SMTP & Postal Mailer is a WordPress plugin designed for sending transactional emails using SMTP or Postal API. It provides features for email logging and ensures that emails reach their intended recipients. The plugin supports multiple mail accounts and includes a statistics dashboard for monitoring email performance.

This plugin is suitable for users who need a reliable way to send emails from their WordPress site, particularly those who require detailed logging and analytics on email delivery and engagement.

Best for: This plugin suits WordPress users who need to manage transactional emails effectively.

What it does well

  • Supports sending emails via SMTP, Postal API, or PHP mail()
  • Includes comprehensive email logging with configurable retention
  • Features a statistics dashboard for monitoring email performance
  • Allows multiple mail account support with priority-based failover
  • Secure credential storage with AES-256 encryption

Where it falls short

  • Limited information on user experience or additional features

Verdict

Oderland SMTP & Postal Mailer offers essential tools for sending and tracking emails, making it a practical choice for those focused on email reliability and analytics.

From the developer

Oderland Webbhotell AB's own description of Oderland SMTP & Postal Mailer, lightly tidied.

Oderland SMTP & Postal Mailer is a plugin that allows you to send transactional emails using SMTP or Postal API. Easy-to-use for e-mail logging and making sure your e-mails make it all the way to your intended target.

The plugin works with any SMTP mailer you’re using, including but not limited to Oderland Postal.

What is SMTP and why do you need it?

SMTP (Simple Mail Transfer Protocol) is the standard that ensures that emails actually arrive at their destination. It’s a protocol that delivers your email between servers when you click “send” in your email client.

You could say that with an SMTP plugin or service, you want to confirm to the email servers that what you’re sending isn’t spam, which lends authenticity to your mailings.

Features:

  • Send transactional emails via SMTP, Postal API or PHP mail()
  • Multiple mail account support with priority-based failover
  • Automatic retry on temporary failures with exponential backoff
  • Comprehensive email logging with configurable retention
  • Statistics dashboard — email volume over time, delivery success rates, per-account breakdown, failure analysis, recipient domain insights, and send time patterns
  • CSV export of all dashboard statistics
  • WordPress admin dashboard widget with 7-day email summary
  • Engagement tracking (opens, clicks) for Postal accounts
  • Postal webhook integration for delivery status tracking
  • Per-account webhook debug logging for Postal accounts
  • Secure credential storage with AES-256 encryption
  • Protocol-level SMTP debugging

Services Supported:

  • SMTP – Connect to any SMTP server
  • Postal – Integration with Postal mail delivery platform
  • Local – Fallback to PHP mail() function

Read the full description on the official page →

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