The easyname mail server limits (SMTP) are configured as follows:
If you use PHP or sendmail on our webserver, the limits are:
To avoid spaming we have set the following rule: Should a mailbox produce more than 15 mail delivery failure notices within one hour, it will be blocked for one hour (it is not possible to send emails). If there are more than 60, the email box will be blocked for 24 hours.