I use a shell alias:
alias getpass='_getpass() { _g=$(printf "sauce%s" "${*}" | md5sum | openssl enc -base64 | cut -c1-16); printf "%s" "${_g}"|xclip -selection clipboard 2>/dev/null|| printf "%s\\n" "${_g}"; }; _getpass'
like this:
$ getpass mail@domain.lts
$ getpass user@domain.lts #for ssh logins