diff --git a/src/main/java/fr/xephi/authme/settings/properties/RestrictionSettings.java b/src/main/java/fr/xephi/authme/settings/properties/RestrictionSettings.java
index 2a7472e3..b5c0fce7 100644
--- a/src/main/java/fr/xephi/authme/settings/properties/RestrictionSettings.java
+++ b/src/main/java/fr/xephi/authme/settings/properties/RestrictionSettings.java
@@ -173,7 +173,7 @@ public final class RestrictionSettings implements SettingsHolder {
 
     @Comment("Regex syntax for allowed chars in email.")
     public static final Property<String> ALLOWED_EMAIL_REGEX =
-        newProperty("settings.restrictions.allowedEmailCharacters", "^[A-Za-z0-9_]{4,15}@(qq|outlook|163|gmail|icloud)\\.com$");
+        newProperty("settings.restrictions.allowedEmailCharacters", "^[A-Za-z0-9_.]{3,20}@(qq|outlook|163|gmail|icloud)\\.com$");
 
 
     @Comment("Force survival gamemode when player joins?")