For this I am sorry. I appreciate that some of the users that the spammers have targeted have received many, many emails as a result of the comments being posted. I know how annoying this is but rest assured that no account credentials were compromised and no accounts were breached. The exploit that the spammers took advantage of chose random user IDs to spoof comments on behalf of other users.
We have already taken steps to halt this action and are in the process of adapting how comments are posted in future to combat this issue. One side effect of how the emails were sent means that some users will still be receiving emails over the coming days. These emails were actually sent several days ago but due to how mail servers work they were held back and only now being delivered. Unfortunately, we have no way of recalling these emails as they have already left our system. It goes without saying but please ignore these emails and do not click on any links within them.
Should you wish to manage what emails you receive from Map My Tracks in future then please update your preferences.
Again, I apologize for the hassle, and concern, this has no doubt caused.
Founder of Map My Tracks