Code:
Server Configuration -> Tweak Settings -> The maximum each domain can send out per hour (0 is unlimited)
Set this to 0?
And how this option is conected with LFD options:
Code:
RT_RELAY_ALERT = Default: 1
RT_RELAY_LIMIT = Default: 100
RT_RELAY_BLOCK = Default: 0
# This option triggers for email authenticated by SMTP AUTH
RT_AUTHRELAY_ALERT = Default: 1
RT_AUTHRELAY_LIMIT = Default: 100
RT_AUTHRELAY_BLOCK = Default: 0
# This option triggers for email authenticated by POP before SMTP
RT_POPRELAY_ALERT = Default: 1
RT_POPRELAY_LIMIT = Default: 100
RT_POPRELAY_BLOCK = Default: 0
# This option triggers for email sent via /usr/sbin/sendmail or /usr/sbin/exim
RT_LOCALRELAY_ALERT = Default: 1
RT_LOCALRELAY_LIMIT = Default: 100
# This option triggers for email sent via a local IP addresses
RT_LOCALHOSTRELAY_ALERT = Default: 1
RT_LOCALHOSTRELAY_LIMIT = Default: 100