-lettre = {version = "0.10", default-features = false, features = ["smtp-transport", "pool", "hostname", "builder", "rustls-tls"]}
\ No newline at end of file
+lettre = {version = "0.10", default-features = false, features = ["smtp-transport", "pool", "hostname", "builder", "rustls-tls"]}
+
+derive_more = "0.99"
\ No newline at end of file