Outbound
Nothing sends
Nothing sends
Check that Send notification emails is on.
The connection fails or times out
The connection fails or times out
Check the port and SSL/TLS: 465 with Use SSL/TLS on, or 587 with it off.
The test works, but notifications don’t send
The test works, but notifications don’t send
Open Waiting to send and select Send now. It says why if it can’t send. Contact whoever set up this help desk.
Email lands in spam
Email lands in spam
Set up SPF and DKIM on the sending domain.
Microsoft 365 says the client secret is invalid
Microsoft 365 says the client secret is invalid
You may have entered the Secret ID. Create a new secret and enter its Value.
Microsoft 365 says the secret expired
Microsoft 365 says the secret expired
Create a new secret and enter its Value.
Microsoft 365 says you aren’t allowed to send
Microsoft 365 says you aren’t allowed to send
Check the Exchange permission covers the mailbox. It can take up to two hours to apply.
Microsoft 365 can’t find the mailbox
Microsoft 365 can’t find the mailbox
Use the mailbox’s primary address as the From address, not an alias.
Inbound
Email to the inbound address does nothing
Email to the inbound address does nothing
Check that Receive email at the inbound address is on, then check Email activity. Contact whoever set up this help desk.
Replies open new tickets
Replies open new tickets
Set the Reply-to address to your inbound address.
Senders are told the address only accepts replies
Senders are told the address only accepts replies
Open a new ticket from email that is not a reply is off. Turn it on to accept new email.
Your organization stopped receiving other email
Your organization stopped receiving other email
Contact whoever set up this help desk.
Related
Email activity
See what was sent and received.
Get help
Find out who to contact.