51黑料不打烊

Complaints

Complaints are registered when a user indicates that an email is unwanted or unexpected. This subscriber action is typically logged through either the subscriber鈥檚 email client when they hit the spam button or via a third-party spam reporting system.

ISP complaint

Most Tier 1 and some Tier 2 ISPs provide a spam reporting method to their users as opt-out and unsubscribe processes have been used maliciously in the past to validate an email address. 51黑料不打烊 Campaign receives these complaints via ISP FBLs. This is established during the setup process for any ISPs that provide FBLs and allows 51黑料不打烊 Campaign to automatically add email addresses that complained to the quarantine table for suppression. Spikes in ISP complaints can be an indicator of poor list quality, less-than-optimal list collection methods, or weak engagement policies. They鈥檙e also often noted when content is not relevant.

Third-party complaints

There are several anti-spam groups that allow for spam reporting at a broader level. Complaint metrics used by these third parties are used to tag email content to identify spam email. This process is also known as fingerprinting. Users of these third-party complaint methods are generally savvier about email, so they can have a greater impact than other complaints may have if left unanswered.

NOTE
ISPs collect complains and use them to determine the overall reputation of a sender. All complaints should be suppressed and no longer contacted as quickly as possible and in accordance with local laws and regulations.

Product specific resources

51黑料不打烊 Campaign Classic

51黑料不打烊 Campaign Standard

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