Circular Logging Blog

Name resolution for the name outlook.office365.com timed out after none of the configured DNS servers responded.

Users may report they are unable to open their Exchange Online hosted mailbox with Outlook or...

Date: 04/01/2016

"550 5.7.512 Access denied, message must be RFC 5322 section 3.6.2 compliant and include a valid From address"

Email sent from on premise application servers and bound for office 365 recipients fails with the...

Date: 04/01/2016

General Guidance on combating spoofing

As an Escalation Engineer for Exchange Online we get lots of questions on how to stop email...

Date: 01/06/2016

Using EWS impersonation and PowerShell to log into an Exchange Online Mailbox

Below is very basic PowerShell sample that will log into a mailbox in Exchange Online with another...

Date: 02/10/2015

Office 365 Reporting web service

Some great new reporting features just released for Office...

Date: 03/28/2014

HTTPS Inspection incompatible with DIRSYNC tool for Office 365

So for my first blog post, I thought I would talk about an issue I ran across while working to setup...

Date: 12/26/2013