The "Join conversation" option email problems

[SecondSight]

Hello, 🙂

Some guests try to post using the "Join conversation" option. But they use a false email address and don't create any account. Then my board sends a "Did you forget to submit your content?" email reminder to this false address and I get an email saying :

Quote

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

Is there a way to stop my board from sending emails to guests ?

Thank you. 🙂

[bfarber]

You can disable the "Post before registering" feature if this is a concern.

[SecondSight]

Thank you.  I've decided to disable the feature finally. 🙂