Lines of smtp2tg.toml.example from check-in 61238a3618 that are changed by the sequence of edits moving toward check-in da7fc7983d:

                         1: # Telegram API key
                         2: api_key = "YOU_KNOW_WHERE_TO_GET_THIS"
                         3: # where SaMoToP stores incoming messages
                         4: maildir = "./maildir"
61238a3618 2024-05-22    5: # default recipient, get's some debug info + mail that we couldn't deliver
61238a3618 2024-05-22    6: # should be in "recipients" table
61238a3618 2024-05-22    7: default = "somebody@example.com"
                         8: # where to listen on, say "socket" to listen on "./smtp2tg.sock"
                         9: #listen_on = "0.0.0.0:25"
                        10: listen_on = "socket"
                        11: 
                        12: [recipients]
                        13: # make sure you quote emails, as "@" can't go there unquoted. And by default
                        14: # we need FQDNs
                        15: "somebody@example.com" = 1 # user id's are positive
                        16: "root@example.com" = -1 # group id's are negative
                        17: 
                        18: # to look up chat/group id you can use debug settings in Telegram clients,
                        19: # or some bot like @getidsbot or @RawDataBot