This happens to me too. It looks like Crypt::RC4 is used by Authen/SASL/Perl/DIGEST_MD5.pm (libauthen-sasl-perl), but there's no Crypt::RC4 to be found in any Ubuntu package as far as I can see.
This happens to me too. It looks like Crypt::RC4 is used by Authen/ SASL/Perl/ DIGEST_ MD5.pm (libauthen- sasl-perl) , but there's no Crypt::RC4 to be found in any Ubuntu package as far as I can see.