Arden Hills, Minnesota-headquartered Control Data Systems Inc has announced three new developments of its electronic messaging and electronic mail integration services. The first of these is the availability of a new version of its Mail*Hub messaging integration system for workstations and network servers running Sun Microsystems Inc’s Solaris 2 operating system. This follows Control Data’s announcement last June of support for Sun systems running Solaris 1.x. The second development is that Mail*Hub has been upgraded to incorporate the 1988 CCITT X400 Message Handling System standard in addition to X500 standards. This brings enhancements including support for the expanded X400 address set specified in 1988 X400, which improves address definition, and the ability of X400 distribution lists to be defined in the Mail*Hub’s X500 directory with access controls to specify who can use them. Control Data adds that Mail*Hub is downwardly compatible with 1984 X400 for connection to sites supporting only the earlier version. The third announcement concerns an agreement with Canadian company Keyword Office Technologies Inc, which specialises in document conversion products for enterprise-wide document interchange. Under the agreement, Control Data says it will integrate its Mail*Hub system with Keyword’s KEYpak document conversion software, to give users true cross-system, mail-enabled applications. All three developments of Control Data’s integration services are available immediately; the company is not giving prices.