Cause of suspension reference

A suspended ticket's cause_id and cause_name properties contain information about the cause of the suspension. Zendesk returns these properties in the Suspended Tickets endpoints, or, if recovered, in the Suspended ticket recovery event.

The following table contains for possible values for cause_id and cause_name.

Cause id
Cause name Description
0 spam Detected as spam
1 not_on_whitelist Sender domain not on allowlist
2 unverified Submitted by unverified user
3 auto_mailer Automated response mail
4 loop Detected as mail loop
5 unknown_user_update Unknown user tried to update existing ticket
6 other_user_update End user only allowed to update their own tickets
7 auto_delivery_failure Automated response mail, delivery failed
8 auto_vacation Automated response mail, out of office
9 system_user Detected email as being from a system user
10 unknown_author Permission denied for unknown email submitter
11 blank Email has no content
12 signup_required User must sign up to submit email, user notified
13 blocklisted Email is from a blocklisted sender or domain
14 backscatter Backscatter from remote mail server
15 disabled Email integration disabled
16 to_noreply Email for "noreply" address
17 server_lock Received via unknown mail server
18 unserviceable_account Emails do not get processed for expired accounts
19 unprocessable_email Automatic email processing failed
20 unauthenticated_email_update Permission denied due to unauthenticated email update
21 registered_user_logged_out Submitted by registered user while logged out
22 from_support_address Received from Zendesk Support email address
23 from_zendesk_account Email is from a Zendesk account
24 content_processor_timed_out Email took too long to process
25 malware_detected Malware detected
26 failed_email_authentication Email authentication failed
27 from_noreply Email from "noreply" address
28 account_owner_email_unverified Submitted by unverified account owner
29 malicious_pattern_detected Content pattern detected as malicious
30 number_recipients_exceeds_threshold Number of email recipients exceeds threshold
31 light_agent_forwarded Email forwarded by light agent
32 failed_dmarc_authentication Email failed DMARC authentication
33 number_comments_exceeds_threshold Number of email comments exceeds threshold