Custom SMTP is a WordPress plugin that allows site owners to configure SMTP settings for reliable email delivery. Below are 33 email & inbox apps with similar functionality to Custom SMTP, matched by what each product actually does — not ranked or scored. Explore each to find the closest fit for your use case.
WordSMTP Simple SMTP Solution is a free WordPress plugin that allows site owners to configure and use their own SMTP server for sending emails. It supports WooCommerce, provides delivery reports, and helps ensure emails reach recipients' inboxes reliably.
SMTP Connector is a free WordPress plugin that allows users to configure custom SMTP settings for their site, improving email deliverability and reliability. It supports multiple SMTP providers and includes email logging for troubleshooting. Designed for site owners and administrators.
King SMTP is a WordPress plugin that connects your site to any SMTP provider for reliable email delivery. It logs every sent email, provides searchable logs, failure alerts, and allows resending emails from the dashboard. Designed for site owners needing robust email tracking and delivery.
Simple SMTP Mailer is a WordPress plugin that allows developers and administrators to configure SMTP for outgoing emails, replacing the default PHP mail function. It is especially useful for local development and testing, offering customizable server settings and debugging options.
Pro Mail SMTP is a WordPress plugin that enhances email deliverability by connecting sites to multiple SMTP providers, offering automatic failover, analytics, and proactive alerts. It supports Amazon SES and smart routing to ensure reliable email delivery for WordPress sites.
YaySMTP is a WordPress plugin that enhances email deliverability by enabling SMTP for outgoing emails. It provides comprehensive email logs, open and click tracking, reporting, and CSV export features. Designed for WordPress site owners who need reliable email delivery and analytics.
Easy Email is a WordPress plugin that resolves common email delivery problems, ensuring that site-generated emails are reliably sent and not marked as spam. It requires no SMTP setup and works with popular form and e-commerce plugins, making email management simple for site owners.
SMTP Manager is a WordPress plugin that improves email deliverability by logging all outgoing emails, monitoring SMTP health, and sending instant alerts to Slack, Teams, or Discord when issues arise. It provides searchable logs and export features for site administrators managing transactional emails.
SMTP Mailer is a WordPress plugin that allows site owners to configure outgoing email via SMTP servers, improving deliverability and reliability. It supports authentication, encryption, and custom port settings, making it easy to manage email sending from WordPress.
Swift SMTP is a WordPress plugin that allows site administrators to configure custom SMTP settings, ensuring reliable email delivery. It includes features like email logging and welcome email customization, making it easier to manage outgoing emails from WordPress sites.
DeliveryKit SMTP is a WordPress plugin that allows site owners to send emails using SMTP or supported mail APIs, improving deliverability. It includes features like email testing, logging, and summary reports, making it suitable for WordPress administrators who need reliable email delivery and diagnostics.
Config Email SMTP is a WordPress plugin that enables users to configure SMTP settings for outgoing emails directly via wp-config.php. It is designed for administrators who need reliable email delivery without relying on external plugins or services. The plugin is simple to install and requires minimal setup.
WP SMTP Mailer – SMTP7 is a WordPress plugin that configures outgoing emails to be sent via an SMTP server, improving deliverability and reducing the risk of emails being marked as spam. It offers flexible configuration options for site owners and administrators.
Mesh SMTP is a lightweight WordPress plugin that helps site owners and developers configure SMTP for outgoing emails. It features a guided setup wizard, provider presets, test email tools, and an activity log to ensure reliable email delivery from WordPress sites.
Mail Doctor is a WordPress plugin that replaces the default email stack with authenticated SMTP or provider APIs, offering diagnostics, automated retries, and queue management. It is designed for WooCommerce stores and businesses needing reliable email delivery and operational insights.
MailMoo SMTP is a free WordPress plugin that allows site owners to configure SMTP settings for outgoing emails, ensuring reliable delivery. It features comprehensive email logging, reply-to customization, test email functionality, and secure configuration. Designed for WordPress users who need dependable email sending without bloat or paid features.
WoCo Advanced SMTP is a WordPress plugin that offers advanced SMTP configuration, comprehensive email logging, and reply-to features. It ensures reliable email delivery and integrates with popular plugins, making it ideal for site administrators who need robust email management.
MailerSend – Official SMTP Integration is a WordPress plugin that connects sites to MailerSend's SMTP server for reliable email delivery. It offers analytics, deliverability improvements, and transactional email support for site owners and administrators.
Email Sender Control is a WordPress plugin that lets site administrators customize the default sender name and email, send test emails, and manage detailed logs of outgoing emails. It helps ensure reliable email delivery and provides tools for troubleshooting and branding.
Super Duper SMTP Mail Bridge is a WordPress plugin that replaces the default PHP mail function with authenticated SMTP delivery. It includes backup failover, rate limiting, domain control, BCC monitoring, and full email logging, ensuring reliable email delivery for site administrators.
Site Mailer is a WordPress plugin that manages transactional email delivery, provides detailed email logs, and eliminates the need for traditional SMTP plugins. It is designed for site administrators seeking reliable email delivery and easy troubleshooting.
SMTP for SendGrid – YaySMTP is a WordPress plugin that allows site owners to send transactional and promotional emails through SendGrid's SMTP service, enhancing email deliverability and reliability. It features an easy setup, email logging, and compatibility with various themes and plugins. Designed for WordPress administrators seeking better email performance.
OrangeSMTP is a WordPress plugin that replaces the default mail function with a reliable SMTP connection, supporting over 12 providers. It offers email tracking, instant failure alerts, and bulk mail capabilities, helping site owners ensure their emails reach recipients reliably.
Just SMTP is a free WordPress plugin that enables site owners to configure SMTP mail delivery for their WordPress sites. It supports secure authentication, TLS/SSL encryption, and includes a mail tester for verification. Designed for users seeking reliable, ad-free email delivery without extra clutter.
Email customizer and designer for WooCommerce is a plugin that allows WooCommerce store owners to create, edit, and customize transactional email templates using a drag-and-drop interface. It helps improve branding and communication with customers.
DevBrothers SMTP is a WordPress plugin that reroutes emails through custom SMTP servers, with one-click presets for Yandex and Mail.ru. It offers privacy-friendly configuration, delivery logs, and test email features for site owners and administrators.
AHA Mail SMTP is a free WordPress plugin designed to improve the reliability of email delivery from WordPress sites. It supports multiple SMTP providers, offers easy setup, email logging, and advanced authentication options. Ideal for site owners who want to ensure their emails reach users' inboxes.
SMTP Form Master is a WordPress plugin that enables users to create contact forms with reliable SMTP email delivery, customizable HTML templates, and advanced spam protection using Google reCAPTCHA v3. It features a flexible form builder and automatic user confirmation emails, making it ideal for site owners who need robust contact forms.
JetEmail is a WordPress plugin that routes all site emails through its transactional email service, providing reliable delivery, logging, and resend capabilities. It is designed for WordPress site owners who need dependable email handling and tracking.
Brevo SMTP – YaySMTP is a WordPress plugin that allows sites to send transactional and marketing emails via Brevo (formerly Sendinblue) SMTP. It features advanced email logging, auto-delete options, and a user-friendly interface for reliable email delivery.
Comfort Email SMTP, Logger & Email Api is a WordPress plugin that helps site administrators send emails using SMTP or an email API, and logs all outgoing emails for tracking and troubleshooting. It provides an admin interface for viewing logs, supports email delivery status, and helps prevent emails from being marked as spam. Suitable for WordPress site owners needing reliable email management.
Ultimate WP Mail is a WordPress plugin that enables users to send custom email and SMS notifications, automate send actions, and integrate with WPForms and WooCommerce. It includes SMTP support, email logging, and advanced notification triggers for site owners and store managers.
SendForce Mail SMTP Relay is a WordPress plugin that routes outgoing emails through SMTP servers or email APIs such as Amazon SES, SendGrid, and Mailgun. It provides features like email logs, queue management, and alert notifications, helping site owners ensure reliable email delivery.
