1988-05-18 /bb-ev83b-bm/01/tcpip-sources/mmailr.mac 1988-05-18 /bb-ev83b-bm_longer/01/tcpip-sources/mmailr.mac 1988-05-18 /tops20_v7_0_tcpip_distribution_tape/01/tcpip-sources/mmailr.mac 1989-06-27 /SRI_NIC_PERM_SRC_3_19910112/01/mm-dom/mmailr.mac