Admin Notice When an Email Fails to Send
Shows administrators a warning in the dashboard when WordPress could not send an email, with the error message, so delivery problems are noticed quickly.
Snippet Library
Email snippets for WordPress
Snippets for the emails WordPress sends: change the sender name and address, add a Reply-To header, send HTML email and turn off notifications you do not need. For site owners who want their messages to arrive and look right.
Deliver Site Emails With SparkPost
Delivers all WordPress emails through SparkPost's Transmissions API instead of PHP mail or SMTP, for dependable delivery and SparkPost's event reporting.
Email Delivery Check in Site Health
Adds a test to Tools > Site Health that warns when WordPress sends mail with plain PHP mail() instead of SMTP or an API, and when an email has failed recently.
Log Failed Emails
Writes a line to the PHP error log whenever wp_mail() fails, with the subject, recipients and error message, to help debug delivery problems.
Mailjet Delivery for All WordPress Email
Delivers all WordPress emails through Mailjet's Send API v3.1, a reliable alternative to SMTP that also gives you Mailjet's delivery statistics.
Send WordPress Email Through the Mailgun API
Delivers all WordPress emails through Mailgun's HTTP API, which avoids blocked SMTP ports and gives you Mailgun's delivery logs and tracking.
Send WordPress Email Through the Postmark API
Delivers all WordPress emails through Postmark's HTTP API instead of PHP mail or SMTP, for fast, reliable delivery on hosts that block outgoing mail ports.
Send WordPress Email Through the SendGrid API
Delivers all WordPress emails through SendGrid's v3 Mail Send API instead of PHP mail or SMTP, for reliable delivery and SendGrid's activity feed.
Use Resend to Deliver WordPress Email
Delivers all WordPress emails through the Resend email API with a single API key, a simple way to get reliable delivery without SMTP.