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willay

posted on 14th Oct 15 at 09:16

did you find out what it was? :!


willay

posted on 5th Oct 15 at 14:12

I bet its some fucked up filters on the managed router


pow

posted on 2nd Oct 15 at 15:35

They do Willay, they end up being the media convertor as well


willay

posted on 2nd Oct 15 at 14:06

Out of interest is the BTNET line provided with a 'managed' router, i.e. you plug your firewall into their supplier router which you have no administrative access to?


willay

posted on 2nd Oct 15 at 13:51

quote:
Originally posted by Neo
IT Geeks, having an issue with a client and i'm out of ideas:

Email server hosted locally (Exch2010) and on a BTNET leased line. Cannot receive email being sent from any bt hosted address yahoo/bt/nhsmail etc. Can't telnet the server from another BTNET line but can from any other provider

Every other provider etc works perfectly fine. DNS entries are all correct, Reverse DNS correct, Banners all match etc etc etc Exchange Connectivity tool shows no errors etc etc

Everything else is working perfectly, no issues or delays, just this BT fault. I've raised it with every possible support line at BT as I don't think there is anything wrong server end but they are not playing ball.

Any ideas ?


What does a traceroute look like from a non BT line and a BTNET line to the IP address?

Depending on how far the traceroute goes, its either a routing issue or firewall issue.


pow

posted on 2nd Oct 15 at 12:29

Route it through the FTTC line temporarily to see if it solves it? Might be a blacklist problem. Can't wait to offload my Exch2013 box to 365 to outsource this sort of problem :lol:


Neo

posted on 2nd Oct 15 at 12:14

Nope, 1 line with 7, secondary fttc line without static IP.


pow

posted on 2nd Oct 15 at 11:58

Got a second public IP you could use for incoming mail?


Neo

posted on 2nd Oct 15 at 10:33

IT Geeks, having an issue with a client and i'm out of ideas:

Email server hosted locally (Exch2010) and on a BTNET leased line. Cannot receive email being sent from any bt hosted address yahoo/bt/nhsmail etc. Can't telnet the server from another BTNET line but can from any other provider

Every other provider etc works perfectly fine. DNS entries are all correct, Reverse DNS correct, Banners all match etc etc etc Exchange Connectivity tool shows no errors etc etc

Everything else is working perfectly, no issues or delays, just this BT fault. I've raised it with every possible support line at BT as I don't think there is anything wrong server end but they are not playing ball.

Any ideas ?