Relevant Products: Exclaimer Cloud - Signatures for Office 365 | Exclaimer Cloud - Signatures for G Suite.
Overview
There are a number of message classes that can be processed by Exclaimer Cloud when applying server-side signatures to emails. These are listed below.
Exclaimer Cloud - Signatures for Office 365
Supported Classes - Signature Applied
| Message Class | Details |
| IPM.Note | E-mail messages |
| IPM.Task | Tasks |
| IPM.TaskRequest | Task requests |
| IPM.TaskRequest.Accept | Responses to accept task requests |
| IPM.TaskRequest.Decline | Responses to decline task requests |
| IPM.TaskRequest.Update | Updates to requested tasks |
| IPM.Outlook.Recall | Recalling sent messages from recipient Inboxes |
| IPM.Recall.Report | Message recall reports |
Supported Classes - No Signature Applied
The following message classes are supported by Exclaimer Cloud - Signatures for Office 365, but will not have a signature applied. By design these types of email cannot be modified after they’ve been sent, and will bypass processing when received by Exclaimer Cloud’s servers:
| Message Class | Details |
| IPM.Note.Secure | Encrypted emails to other people |
| IPM.Note.Secure.Sign | Digitally signed emails to other people |
| IRM Protected Emails | Emails protected using Information Rights Management |
Unsupported Classes
The following message classes are not supported by Exclaimer Cloud - Signatures for Office 365. By default the Identify messages to send to Exclaimer Cloud transport rule will not pass these message classes to Exclaimer Cloud for processing:
| Message Class | Details |
| IPM.Appointment | Appointments |
| IPM.Schedule.Meeting.Canceled | Meeting cancellations |
| IPM.Schedule.Meeting.Request | Meeting requests |
| IPM.Schedule.Meeting.Resp.Neg | Responses to decline meeting requests |
| IPM.Schedule.Meeting.Resp.Pos | Responses to accept meeting requests |
| IPM.Schedule.Meeting.Resp.Tent | Responses to tentatively accept meeting requests |
Exclaimer Cloud - Signatures for G Suite
Supported Classes
| Message Type |
Signature is applied in transit (Server-side signature rules) |
Signature is applied in Gmail (Client-side signature rules) |
| Calendar | Y | N |
| Send As | Y | N |
| Voting Request | Y | N |
| Voting Response | N | N |
| Read Receipts | Y | N |
| Recalling | N/A | N/A |
| Encryption | N | Y |
| Message Size Limit | 150mb | N/A |