mail server problem

RouterOS General
1

i am new mikrotik user.i am using static ip address at client end.i have a mail server.i want to know how can i use mail server without bandwidth control. its means when my user send mail in mail.xyz.com in that time my mikrotik Router send mail without bandwidth control.already i setup this command
ip firewall nat add chain=dstnat protocol=tcp dst-port=25 action=dst-nat to-addresses=x.x.x.x to-ports=25

but its not working.if i am giving my client 64k/64k internet bandwidth and they are send mail my local mail server they are under that bandwidth control. any body help me.

2

The solution depends on how you are controlling bandwidth so post your configuration.

3

add burst-limit=80000/80000 burst-threshold=64000/64000 burst-time=5s/5s
comment=“” direction=both disabled=no dst-address=0.0.0.0/0 interface=all
limit-at=0/0 max-limit=64000/64000 name=Abdulla parent=Total priority=8
queue=default-small/default-small target-addresses=172.17.8.12/32
total-queue=default-small

4

any body help me???

5

simply add one more simple queue on the top, for your mail server. don’t forget to change at least queue types to ‘default’, or this queue won’t be actually installed if you use ‘unlimited’ in max-limit