netfilter-mailcow flooding iptables

alexteixeira

my mailcow are flood iptbles with this insert:

docker-compose logs -f –tail=20 netfilter-mailcow

netfilter-mailcow_1 | Added POSTROUTING rule for source network 172.22.1.0/255.255.255.0 to SNAT target 179.x.x.x
netfilter-mailcow_1 | Added POSTROUTING rule for source network 172.22.1.0/255.255.255.0 to SNAT target 179.x.x.x
netfilter-mailcow_1 | Added POSTROUTING rule for source network 172.22.1.0/255.255.255.0 to SNAT target 179.x.x.x
netfilter-mailcow_1 | Added POSTROUTING rule for source network 172.22.1.0/255.255.255.0 to SNAT target 179.x.x.x

there are many of this, flooding my iptables, someone with this too?

Mobitux

On my server it is the same.

alexteixeira

Nobody else with the same problem?

dk1981n

I have the same problem

alexteixeira

@diekuh can you help us?

beerlao

I have the same problem. Additionally, server.py from netcow-mailfilter eats up to 100% CPU time.