PRO WP Mail SMTP Team
Defining Google Mailer Constants
This snippet will prevent users from changing WP Mail SMTP settings in your WordPress admin area…
Define the Mailgun Signing Key Constant
This snippet will allow you to define your Mailgun Signing Key constant inside your wp-config.php file…
Defining Outlook Mailer Constants
This snippet will prevent users from changing WP Mail SMTP settings in your WordPress admin area…
Fix the InvalidInternetMessageHeader Error in Outlook
This snippet will modify specific headers in your emails, which can help resolve this ‘InvalidInternetMessageHeader’ error…
Enable WP Mail SMTP Constants
This snippet will prevent users from changing WP Mail SMTP settings in your WordPress admin area…
Defining Postmark Mailer Constants
This snippet will prevent users from changing WP Mail SMTP settings in your WordPress admin area…
Send Site Notifications to a BCC Address
This snippet will ensure all your site’s outgoing emails are also sent to a specific BCC…
Defining General Settings Constants
Every constant in this section can be used for any mailer because they’re not specific to…
Defining SparkPost Mailer Constants
This snippet will prevent users from changing WP Mail SMTP settings in your WordPress admin area…
Hide the Email Test Menu Item in Settings
This snippet will hide the 'Email Test' tab from your WP Mail SMTP settings menu.
Defining Email Log Constants
This snippet will prevent users from changing WP Mail SMTP settings in your WordPress admin area…
Customize Action Scheduler Retention Period
This snippet allows you to change the default 30-day storage for the Action Scheduler retention period.