deliverability

Sender Identity

Control the From address, display name, and Return-Path header that recipients and mail servers see.

Email Providers

NimblyMail supports nine methods for sending WordPress email. Compare them and pick the right one for your site.

Default (PHP Mail)

Uses PHP's built-in mail() function. No configuration required, but not recommended for production sites.

Deliverability Health Audit

NimblyMail runs an automated DNS audit of your active sender domain on a daily schedule (and on demand) and surfaces the result on the NimblyMail > Deliverability page and the dashboard. The audit is mailer-aware: required SPF includes and DKIM selectors are sourced from whichever provider you have configured (Gmail, Outlook 365, SES, Resend, etc.), […]