Please insert $mail->set("newline", "\n"); to solve view Problems in some Mailclients

[pointout]

https://processwire.com/talk/topic/20733-e-mail-issues-with-loginregisterprofile-module/?tab=comments#comment-179677

As @BitPoet pointed out, please insert $mail->set("newline", "\n"); in line 678 to prevent problems with some Mailserver or -clients