diff --git a/WebsitePanel/Sources/WebsitePanel.Providers.Base/Mail/MailAccount.cs b/WebsitePanel/Sources/WebsitePanel.Providers.Base/Mail/MailAccount.cs
index b143f283..38e99a65 100644
--- a/WebsitePanel/Sources/WebsitePanel.Providers.Base/Mail/MailAccount.cs
+++ b/WebsitePanel/Sources/WebsitePanel.Providers.Base/Mail/MailAccount.cs
@@ -62,6 +62,13 @@ namespace WebsitePanel.Providers.Mail
 			{
 				return (maxMailboxSize < 0);
 			}
+            set
+            {
+                if (value)
+                {
+                    maxMailboxSize = 0;
+                }
+            }
 		}
 
 		public string ReplyTo