Find out which Process or PID is using a particular port
Recently a customer’s phones had stopped receiving email while their email clients on the pc’s were still working fine. Time to investigate what's going on! First some simple troubleshooting, can I get to the exchange server externally using either telnet on port 25 to the companies MX record (or external…
Add Email address or Domain to Exchange Spam whitelist Powershell
Having a Quarantine mailbox which an internal user can then manage can be really useful. Mainly because they know their business better and which type of emails they should be ; However there are times when legitimate emails from the same Sender or Domain keeps getting put in quarantine for…
Exchange Mailbox not updating, Disconnected / Quarantined
I found myself looking into a particular issue with a single mailbox, even through all other users were connecting as usual and updating, for this one user Outlook was coming up as disconnected. I tried recreating the Outlook profile which had the same result. I then tried Outlook Web Access…