Have a domain hosted by BT with several email accounts attached to it, all set up on my Exchange 2010 server & Outlook 2007 clients. In EMC under Organisation Config, Hub Transport has its Send connector set to send via smarthost ‘smtp.btconnect.com’. All was well for many months until Friday when suddenly all outgoing emails bounced within seconds with “The following organisation rejected your message: mail.btconnect.com #550 not permitted”. Took this up with BT who claim the smtp settings for this domain should be:
Server name: smtp.office365.com
Encryption method: TLS
I tried to explain Exchange had been set up the way it was all along and worked perfectly well until Friday but the technician insisted my configuration should not have worked and the only configuration which should have worked was the one he gave me above. But unless I’m missing something there isn’t anywhere in the Hub Transport settings to change the port number or specify TLS encryption
BT are moving everything to Office365, and will no longer be running their own servers.
The address you had configured definitely did work, so I presume they have reached the point where it is now turned
Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.
What does UTC stand for?
“Coordinated Universal Time” – Think of this as the true time on Planet Earth that never changes with the exception of minor leap seconds here and there to account for the changes in the planet's rotation.
What does th…
Many people use more than one email account and so it becomes difficult for them to manage them when they use separate accounts, so, in this article, I have shared an easy way to add Other Mail Accounts in your Google Inbox. It helps to combine all…
In this video we show how to create an Accepted Domain in Exchange 2013. We show this process by using the Exchange Admin Center.
Log into Exchange Admin Center.: First we need to log into the Exchange Admin Center.
Navigate to the Mail Flow >> Ac…
This video demonstrates how to sync Microsoft Exchange Public Folders with smartphones using CodeTwo Exchange Sync and Exchange ActiveSync.
To learn more about CodeTwo Exchange Sync and download the free trial, go to: http://www.codetwo.com/excha…