I am having the same problem at 2 different sites. I've tried an 831, 851, and now a 871 router running the latest code. Everything else works, including inbound email. It's just outbound SMTP. I have my 2nd TAC case opened as I'm typing this.
The old router works fine, I even had a pix 501 I put in place and it worked.
I had about 3 TAC engineers look at the router for at least 4 hours and they found nothing wrong.
I believe this is a bug in the firewall code on the 800 series routers. It doesn't matter how I config the router/firewall, it just won't send outbound SMTP.
I'll let you know if my new TAC case get's me anywhere.
Not with that company anymore so can't check but am sure it was to do with the NAT translation.
My problem was with incoming mail from external SMTP server basically the requests were turning up on the external interface of the router ofr port 25 and t he router had no NAT routes defined to foraward it to.
You say not able to get outbound smtp? So can you send mail to people outside your organisation? Can they send it back in?
The other problem you may have depending on your ISP is that blueyonder for example assign static IP addresses to MAC addresses for example although you pay for a static IP if you connect up another device (router) with a different MAC address from your old one then you'll get a static IP but it will be different to your old one! In this case you need to spoof your old amc address or get your DNS records changed (which can take upto 24 hours to take affect).
We are pleased to announce availability of Beta software for 16.6.3.
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