Please upload them to ftp.mozilla.org.
ja-JP LangPack for SeaMonkey 1.1.10 (release)
ftp://ftp.mozilla.gr.jp/SeaMonkey/seamonkey-1.1.10.ja-JP.langpack.xpi
53DA63D2ED1CABB0C7869FBA031EC1DE
ja-JP Win32 Installer SeaMonkey 1.1.10 (release)
ftp://ftp.mozilla.gr.jp/SeaMonkey/seamonkey-1.1.10.ja-JP.win32.installer.exe
78D9AC8FE2D13E8CADC926390D609517
ja-JP Mac dmg Package SeaMonkey 1.1.10 (release)
ftp://ftp.mozilla.gr.jp/SeaMonkey/seamonkey-1.1.10.ja-JP.mac.dmg
E6061E0B2B4A580D6BEFA655A13FCB72