I am trying to install Seamonkey.
I am using the method shown here.
When I try to do the key command, my connection times out.
andy@7:~$ sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com C1289A29 Executing: /tmp/apt-key-gpghome.mMHsuyF3KI/gpg.1.sh --recv-keys --keyserver keyserver.ubuntu.com C1289A29 gpg: keyserver receive failed: Connection timed out
2/20/19 I just found out that
The repository 'http://downloads.sourceforge.net/project/ubuntuzilla/mozilla/apt all Release' is not signed.
How can I get it signed?