When using the default PHP mailer in WordPress, especially on shared servers, emails will often be set to spam or junk by recieving email systems. This can be very frustrating and important notifications can be missed by you or your clients.
One problem is the “enevelope sender” not being set, and many hosts will recommend that you install a plugin to set the “enevelope sender”, this is the main purpose of this plugin.
Along with setting the “envelope sender” this plugin also displays your Sender Permitted From (SPF) and checks your server IP is in the SPF if present.
Additionally this plugin, optionally, allows you to easily change the name and email of the default WordPress notification email.
If you use an SMTP email plugin or use an API based transactional email plugin, this plugin will add no value; it is built to support the default PHP mailer only.
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