Does email on virgin mobile wildcard cost airtime to check and use?

I have the virgin mobile wildcard and wanted to know if using the email checker costs airtime?

Does email on virgin mobile wildcard cost airtime to check and use?
If you don't have none of the messaging plans, then yes, they do charge you, But IM and Email is only 5 cents per message so if you constantly check your email id suggest getting one of the messaging plans.