Subscription emails for new replies to topics in a forum that you've subscribed to show the wrong poster for the new reply OR it is sending me an email for my own post:

You are receiving this notification because you are watching the forum,
"XYZ Forum" at "phpBB.com". This forum has received a new reply to the
topic "Topic Name" by MichaelC since your last
visit. You can use the following link to view the last unread reply, no
more notifications will be sent until you visit the topic.