30.15 Flag and status filter
30.15.1 Overview ¶
Flag and status filters check Boolean properties of the message: Is the mail read? Has it been replied to? Does it carry a flag? Are attachments present? Is it signed or encrypted? They limit the processing scope to specific mail states.
30.15.2 Available status properties ¶
| Property |
Description |
| Read status |
Whether the mail is marked as read |
| Replied status |
Whether the mail has already been replied to |
| Flag status |
Whether the mail carries the standard flag |
| Has attachments |
Whether the mail has at least one attachment |
| Signed |
Whether the mail is S/MIME-signed |
| Encrypted |
Whether the mail is S/MIME-encrypted |
| Signature valid |
Whether the S/MIME signature is valid |
| Trust chain |
Whether the signature’s certificate chain is trusted |
30.15.3 Operators ¶
| Operator |
Description |
| is Yes |
Status is set |
| is No |
Status is not set |
30.15.4 Use case ¶
Process only unread messages
Read status is No
Useful for auto-reply profiles that should no longer trigger after manual reading.
30.15.5 S/MIME properties in detail ¶
| Property |
Meaning |
| Signed |
The mail carries a signature (presence only, not validity) |
| Signature valid |
The signature is valid - the mail has not been modified since signing. Requires Signed is Yes |
| Trust chain |
The sender’s certificate originates from a trusted source. Requires Signature valid is Yes |
| Encrypted |
The mail is encrypted |
Note: If any of the three stages Signed/Valid/Trust chain fails, the mail is technically suspicious - a dedicated processing rule can, for example, forward it to a security distribution list.
30.15.6 Tip ¶
- The Replied status is only set when the reply is sent via the email client’s reply function - a separate mail with the original subject does not count