What is alert 8511?
A user or script has sent an email. They could be one of:
- A user from the GMS Webmail interface;
- A user logging on to the Administration interface;
- A script (e.g. a user script, custom MML script, list script).
The session id was Undefined. No MX records were found for host Undefined. The error code returned was Undefined.
No further action is required by you.