Outbound domains / example.org / Applications /
1 102 messages in 30 days · peak 96 msg/h · average 1.5 msg/h. The same form, empty, adds a new application.
Unique across domains; letters, digits, . - _.
.
-
_
One per line. Used only with a list.
A login from anywhere else is refused with a 4xx at MAIL FROM. A sending control, fail-open — not an authentication boundary.
MAIL FROM
Overrides the domain limit (288 / h) for this application; may be higher or lower, never above level 1.