use "Message-ID" capitalization consistently
tree2142daf923050a7e4518b85226b2c7d37b9e9b26
-rw-r--r-- 69 .gitignore
-rw-r--r-- 34520 COPYING
drwxr-xr-x - Documentation
-rw-r--r-- 740 INSTALL
-rw-r--r-- 465 MANIFEST
-rw-r--r-- 1057 Makefile.PL
-rw-r--r-- 3560 README
drwxr-xr-x - lib
-rwxr-xr-x 6680 ssoma
-rwxr-xr-x 707 ssoma-mda
-rwxr-xr-x 648 ssoma-rm
drwxr-xr-x - t