“transactional”

WordPress plugin that sends wp_mail() through a JMAP server such as Stalwart instead of SMTP.

A new breath of life to wp_mail.

Visitor-facing booking form for time-slotted support calls with a staff pool, admin-managed availability, and transactional confirmation emails.

Send all WordPress email through the Cloudflare Email Sending API and log every message. Configure via wp-config.php — no admin settings.

Wraps every outgoing WordPress email in a branded HTML template, and adds transactional email support for leaStudios Payments events (receipts, subscription created/renewed, payment failed, refund processed).

Site Migrator

Add users to a Mailblast list and send transactional emails from the IOStack API.

WordPress must-use plugin: send mail through Amazon SES with an IAM role. No stored credentials, no silent failures.

Dropin wp_mail() replacement for WordPress that uses the SparkPost API

WordPress plugin to reuse mail functions

Official SendBeam plugin for WordPress: signup forms, pop-ups, opt-ins at registration and checkout, and your site’s own email from your verified domain.

Inklura Mail — route wp_mail through bext managed email, with a log. Multisite + self-updating.

Official BG TEL SMS integration for WordPress.

Use SendGrid for all system emails in Wordpress.

Routes WordPress emails through the Cloudflare Email Service REST API.

Postilio for WordPress: send WordPress email through Postilio, European transactional email.

WordPress plugin for FlySend

FGR WordPress-Plugin: Verschickt nach abgeschlossenen Kochkursen automatisch eine Erinnerungs-E-Mail mit Bitte um eine Google-Bewertung.

Hassle free Wordpress transactional email sending via Enginemailer API

MailBridge est un plugin WordPress qui centralise la gestion des e-mails transactionnels personnalisés.

The simplest, safest and most dev-friendly way to send emails from WordPress via SMTP.

WooCommerce email diagnostics plugin for WordPress. Detect SMTP issues, invalid sender configuration, and transactional email problems.

Mise en forme brandée et 100 % française des e-mails transactionnels WooCommerce (layout codé, réglages simples).

SendFleet Wordpress Plugin

Wordpress plugin to allow wordpress users to send transactional emails via SMTP or API

Official MailBridgeAPI email delivery plugin for WordPress and WooCommerce.

Plugin which adds the ability to add and manage stock/shipping warehouses for internationally shipped products via custom post type 'warehouse'.