Catch some common e-mail address formatting errors

index.js

@@ -3,11 +3,16 @@
 const ValidationError = require("@validatem/error");
 const isString = require("@validatem/is-string");
 
+let commonErrors = [
+	/^mailto:.+$/, // mailto:email@example.com
+	/^.+<[^>]+>$/, // Real Name <email@example.com>
+];
+
 module.exports = [
 	isString,
 	function isEmailAddress(value) {
-		// TODO: Include explanation in README as to how this really *is* the correct check in practice, and that any further validation should be done by actually trying to send an e-mail
+		// TODO: Include explanation in README as to how checking for the presence of '@' really *is* the correct check in practice, and that any further validation should be done by actually trying to send an e-mail
-		if (!value.includes("@")) {
+		if (!value.includes("@") || commonErrors.some((errorRegex) => errorRegex.test(value))) {
 			throw new ValidationError(`Must be an e-mail address`);
 		}
 	}