1. What do the following do?: SET FOLDER /SECRECY=(acl) /INTEGRITY=(acl) DIRECTORY /SECRECY=(acl) /INTEGRITY=(acl) SELECT /SECRECY=(acl) /INTEGRITY=(acl) READ /SECRECY=(acl) /INTEGRITY=(acl) I think they do nothing under VMS V5.1, but... 2. What is a "Message ID" in the MAIL-11 V3.1 protocol? (negociated by the MASTER using <6> of the Message Protocol Modes) It is used to pass, in TLD encoded form, the RMS attributes of the FOREIGN file being transferred. nick