1. Fake the origin to actual destination of choice
2. Your server bounces the original message wrapped by the SMTP error report.
3. Actual destination receives error report containing spam content from YOUR server
A proper solution would be to REJECT the message before it is accepted. However, Dovecot Pigenhole doesn't support that (yet).
1. Fake the origin to actual destination of choice
2. Your server bounces the original message wrapped by the SMTP error report.
3. Actual destination receives error report containing spam content from YOUR server
A proper solution would be to REJECT the message before it is accepted. However, Dovecot Pigenhole doesn't support that (yet).