Confidentiality Disclaimer
Standard for most business email. States that the message is confidential, intended only for the named recipient(s), and that unauthorized disclosure or use is prohibited. If received in error, the recipient should notify the sender and delete the message.
Legal Privilege / Attorney-Client
Used by law firms. Asserts that the communication may be protected by attorney-client privilege or work product doctrine. Not all jurisdictions recognize email disclaimers as creating privilege, but they reinforce intent and support legal arguments.
Environmental / Sustainability
Some organizations add a notice that they encourage paperless communication and environmental responsibility. Optional and more common in CSR-focused industries.
Marketing / CAN-SPAM
For promotional emails. Must include physical address, clear identification as an ad, and an unsubscribe mechanism. CAN-SPAM (US) and GDPR (EU) impose specific requirements—ensure your disclaimer and unsubscribe flow comply.
Virus and Malware
Less common today. Historically used to disclaim liability if the email contained malicious content. Modern security controls make this less relevant, but some firms still use it.
Server-Side Enforcement
Disclaimers must be appended by the mail server or a transport agent—not manually by users. Manual insertion is unreliable and creates compliance gaps. Use centralized tools like NextClaimer (E-Kache) to enforce disclaimers on every applicable message.