+API
+===
+
+SquirrelMail hooks used by plugin:
+* loading_prefs
+* optpage_register_block
+* read_body_header_right
+* compose_send
+
+Plugin preference keys:
+* spamcop_enabled
+* spamcop_delete
+* spamcop_save
+* spamcop_method
+* spamcop_type
+* spamcop_id