Cargo Features
OhMySmtp has no features set by default.
[dependencies]
ohmysmtp = { version = "0.1.1", features = ["email-validation"] }- email-validation = email-address-parser
Features from optional dependencies
In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.