RoyCruse

First Screenshot showing an Active Directory Authorised login to the Device Second Screenshot showing the rejected VPN login

Ok so i eventually ran a packet capture and it would appear the external ip used by the firewall is blacklisted with M365 and was returning the following error 550 5.7.606 Access denied, banned sending IP [xxx.xxx.xxx.xxx]. To request removal from this list please visit https://sender.office.com/ and follow the directions.…

I have checked and double checked mail server details and tried multiple different sender and recipients including exactly the same setup as our scanner Ive also tried with and without TLS/StartTLS (as this is specified as optional in the m365 instructions here) heres my mail server config We have a connector setup in M365…

Hi, I dont get an error which would be really useful... Instead I get an info line saying my address is not accepted by the server. The addresses are 100% correct

I dont want to / cant use authentication as all our accounts have 2FA enabled. I simply want to send a mail from my own address to my own address without authentication - i use the same method for our scanners here in the office and they work fine - just cant get this firewall to do the same :(

I cannot find firmware for this router anywhere - please advise ?