extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
#endif
extern uschar *acl_not_smtp_start; /* ACL run at the beginning of a non-SMTP session */
+extern uschar *acl_removed_headers; /* Headers deleted by an ACL */
extern uschar *acl_smtp_auth; /* ACL run for AUTH */
extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
extern uschar *acl_smtp_data; /* ACL run after DATA received */