Legitimate inbound or outbound email is incorrectly flagged as spam — a false positive — by Symantec email services, usually with the following error:
553 - Message Filtered
Track and Trace shows an email Action as Quarantined, Blocked, Redirected, or Subject Tagged with the Service listed as "Anti-spam".
Submit email false positives for analysis.
Retrieve a sample of the legitimate email flagged as spam using the "message/rfc822" email attachment format (with an .eml or .msg file extension).
If the original email is blocked or deleted, use one of the following options to obtain a copy of the original email:
This email is not classified as spam
Submit False Positive
This email is currently classified as spam. Provide your contact information and submit the sample for investigation
To monitor the status of your submission, see Monitor the status of spam false positive submissions
If you are unable to submit a sample using any of these steps or Support has asked you to submit using an alternate method, see Submit spam false positives when unable to use the Anti-Spam submission portal.
Any false positive or missed spam messages that you submit to Broadcom may contain personally identifiable information such as email addresses and information in email message body and or enclosures. Broadcom uses this information globally only for creating spam detection rules.
We encourage the submission of false positives or missed spam because it makes our product more effective and enables us to serve you better. Access to this information is not shared with any third party, and it is restricted to Broadcom personnel that are involved in spam rule creation.