Microsoft 365 Exchange online 550 5 7 520 external forwarding fix

SOLVED: VIDEO: Microsoft Exchange Online 550 5.7.520 Access Denied Organization Does Not Allow External Forwarding

If a user is receiving a 550 5.7.520 email bounce relating to External Forwarding.  The problem is likely related to the default Microsoft Office 365 Exchange Online Exchange Online Protection Anti Spam filters. Delivery has failed to these recipients or groups: <User> (<user email>) Your message wasn’t delivered because the Read more…

554 5.2.252 STOREDRV.Submission.Exception SendAsDeniedException.MapiExceptionSendAsDenied

SOLVED: Microsoft 365 Exchange Email SMTP 1301 <- 554 5.2.252 STOREDRV.Submission.Exception:SendAsDeniedException.MapiExceptionSendAsDenied

After spending quite a few hours trying to correctly configure the email on a phpBB forum (for our Commodore.ca website users) we found ourselves stuck on the following error showing in the logs (Administration Control Panel > Maintenance tab > Error Log): 1301 <- 554 5.2.252 STOREDRV.Submission.Exception:SendAsDeniedException.MapiExceptionSendAsDenied After much research Read more…

exchange 2010 mc error occured powershell using kerberos authentication failed

SOLVED: Exchange Management Console – Attempt to connect to http://server.domain.com/PowerShell using “Kerberos” authentication failed

If you are able th launch the Exchange Management Console (EMC) but see the following error when you attempt to expand a segment, we have the solution: “The following error occurred while attempting to connect to the specified Exchange server ‘http://server.domain; The Attempt to connect to http://server.domain/PowerShell using “Kerberos” authentication Read more…