Failure Alerts
Get notified by email whenever a delivery attempt fails, sent outside the configured transport.
Get notified by email whenever a delivery attempt fails, sent outside the configured transport.
Miscellaneous utility settings, locking configuration with PHP constants, and how credentials are encrypted.
Send WordPress email through any standard SMTP server using a host address, port, and credentials.
Authenticate via Microsoft OAuth and send through smtp.office365.com using XOAUTH2 - no Azure app registration needed.
Brevo (formerly Sendinblue) is a transactional email API. NimblyMail talks to it over HTTPS - no SMTP ports involved.
Zoho's transactional email service, with regional API endpoints for data residency or latency reasons.
Send a real test email through your current mailer configuration and immediately see whether delivery succeeded or failed.
A complete, searchable record of every email your site has attempted to send, with resend and delete controls.
The most common email delivery problems and how to resolve them, including SMTP, Gmail OAuth, SES, Resend and SendLayer errors.
This page covers the most common email delivery problems and how to resolve them. Emails Not Sending Work through these steps in order before digging into provider-specific errors. Confirm the mailer is configured at WP Admin > NimblyMail > Settings > Connection. An unconfigured mailer falls back to PHP Mail, which many hosts block. Send […]