can you detail the long way in this instance, I just want it to be if it is traffic generated by the router destined for tcp port 25 present as 1.2.3.4 but dont impact anything else, what I dont want to risk is OSPF breaking or dropping an EOIP tunnel because that traffic is presenting differently
On Tue, Aug 9, 2016 at 12:14 PM, Faisal Imtiaz <fai...@snappytelecom.net> wrote: > There is a long way to solve this problem and there is a short way to > solve this problem. > > short way first:- > > Mikrotik supports user authentication on out bound mail, so all you need > to do is create a valid email user account on our mail server and use > those credentials in your MT router Email settings so that you don't need > an 'open mail relay'. > > Long way:- > > There is a setting call set-pref-src= in the routing filters, which > accomplishes what you are asking for, however you will have to figure out > on how exactly to tailor it to work for your environment. (I had to find > this setting for one of our Peering Routers, a bit of a long story). > > :) > > Faisal Imtiaz > Snappy Internet & Telecom > 7266 SW 48 Street > Miami, FL 33155 > Tel: 305 663 5518 x 232 > > Help-desk: (305)663-5518 Option 2 or Email: supp...@snappytelecom.net > > ------------------------------ > > *From: *"That One Guy /sarcasm" <thatoneguyst...@gmail.com> > *To: *af@afmug.com > *Sent: *Tuesday, August 9, 2016 12:51:03 PM > *Subject: *[AFMUG] mikrotik present as loopback address > > right or wrong, i want to set up an open mail relay on our network for > mikrotik backups. I want to lock the relay down to only accept traffic from > our internal subnet for loopback IPs on the site routers. How do I make > specific traffic always present as the same IP no matter which interface it > exits since i cant seem to find a way to masquerade the output chain > if it is doable, is there also a way to add a line to our default configs > that will set the presentation IP to whatever the loopback IP on that > device is? > > -- > If you only see yourself as part of the team but you don't see your team > as part of yourself you have already failed as part of the team. > > -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
