On Thu, 26 Oct 2000 16:37:15 +0800 kooer said: >I am at a loss.I find that LISTSERV capitalizes a host part of the subscriber's >email address, >such as [log in to unmask] --> [log in to unmask] But some ISPs cannot receive this format's >email, they >only cognize lower case. What can I do? Modify config file, or something? > >my environment: UNIX, LISTSERV 18.d, qmail This can't be changed. LISTSERV indeed upcases hostnames for sorting purposes, but the bottom line is that any ISP who can't receive mail with the hostname part of the address in CAPS is non-compliant with email standards. Only the local part (left side of the @ sign) is allowed to be case-sensitive. Nathan