Posted on 2009-04-22
I have a client who's email server is blocking mail coming from our public IPs, or seems to be--we have no other SMTP issues with anyone, and the server accepts mail from our other gateway (its NATed and the public address is not on any blacklist).
This must be resolved immediately, at least with a working temporary solution.
To do this, the only way i see is to accomplish this is route that clients traffic to the other gateway. However, we do not have enough bandwidth on that ISP to suffice for all the traffic of the client. So, it can only be the SMTP traffic, and only the SMTP to that particular problem server.
Currently out core switch is the gateway for all the VLANs, and static routes traffic to an ASA where it is NATed. VOIP traffic is parted at the core switch to a different router for NAT and routing on the other ISP link.
I'd like to separate all clients smtp the traffic at the core, and send it to the other router.
I guess this should look something like this:
access-list 180 permit tcp any host x.x.x.x eq smtp
route-map SMTP permit 10
match ip 180
set ip default next-hop <ip of router, not asa>
apply on interface:
int vl 12
ip policy route-map smtp
Can I do PBR and static routing simultaneously? Should the above config work? I have this currently, but it is not. Please advise.