Hi, at work i've got a bunch of unix-based processes that generate and mail tar archives files out to users, Now we ran across a problem with some of these processes generating files that users (who use 7-zip on windows) can not use; when being called from outliik 7-zip produces error messages and/or hangs. The issue seems to be that tar on some unices creates -tgz files zero-padeed to block size. So, when the creating script does something like tar -czf - /some/data | uuencode somedata.tgz | mailx...