We are currently running on an older version of listserv (14) running on Fedora 17, kernel Linux 4.5.5-x86 32 bit and need to upgrade to v 16 to deal with DMARC. In checking the supported versions at http://lsoft.com/products/listserv_os.asp it shows:
Linux (32-bit Intel)
Supported: LISTSERV 16.0 is available for kernel 2.6 and 2.4.20.
Are these the only versions, or are later versions supported? The latest stable version is 4.6.