==== Required information ====
- iRedMail version (check /etc/iredmail-release):
- Linux/BSD distribution name and version:
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):
- Web server (Apache or Nginx):
- Manage mail accounts with iRedAdmin-Pro?
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Debian
System Information
Number of domains     26
Number of users     203
Number of mailing lists     0
Number of aliases     15
Stored emails     268095 Emails. 6.69 GB.
iRedMail     0.9.8
iRedAdmin-Pro     2.9.0 (MySQL)
Hostname     nm2
Uptime     0 days, 0 hours, 43 minutes.
Server Load     0.300, 0.620, 0.590
Network (eth0)     10.254.10.34
Network (eth0)     fe80::202:55ff:fe7b:18ca%eth0
Network (eth0:0)     10.254.10.35

Where are throttle settings set so I can limit by time, how do I tell it 30 emails?

Period of time*
1 Day
1 Hour
1 Minute
Custom: Seconds