Scenario You have configured Exclaimer for your Microsoft 365 tenancy and you notice some messages are rejected with a Non-Delivery Report (NDR), similar to the example shown below: ERROR:550 5.7....
Scenario A user is unable to send an email and receives the following error: ERROR: smtp.eu1.exclaimer.net gave this error: Access denied, bad outbound sender AS(41000001) Resolution For more inf...
Scenario You have configured Server-Side signatures and completed the required configuration steps detailed in configuration settings within the Google Workspace Admin console, but emails from some...
Scenario The emails sent to Exclaimer are not being delivered (or delivery is delayed), and the Microsoft 365 message trace shows the following error: ERROR: Reason: [{LED=422 4.4.1 Unable to ide...
ScenarioYou have configured Exclaimer for your Microsoft 365 tenancy. When you send an email, you find that it is not delivered and you receive a non-delivery report with a similar message: ERROR: ...
Scenario You have installed the Exclaimer - Signatures for Exchange routing agent and are starting to experience mail flow issues on your Exchange server. After reviewing the Windows application lo...
ScenarioYou want to set up Exclaimer - Signatures for Google Workspace but would like to understand more about the implications on your existing third-party service's mail routing setup.orYou have ...
The recommended method to install the Exclaimer Outlook Add-in is via the App store. The benefit of this is that any changes made to the Exclaimer Outlook Add-in app will automatically be reflected...
ScenarioYou have configured Exclaimer for your Microsoft 365 tenancy. When you send an email through Exclaimer's server, the email is rejected.In some scenarios, you see an email trace with a simil...
Scenario You notice that your email messages are being rejected when they attempt to route to Exclaimer, displaying a non-delivery report with a similar message: ERROR: 554 5.4.4 Message rejected...