511 votesopen discussion · 86 comments · Feature Suggestions » Security · Flag idea as inappropriate… · Admin →
An error occurred while saving the commentAnonymous commented
I have enabled fail2ban and greylisting but I still frequently see servers in the mail.log which try to login with dictionary passwords.
The only way I know to get rid of those is to deny them completely.
It is a pain to do this from the GUI and there should be a CLI for this.