If you can't access the e-mail address attached to the account in question, send in an RT via: Recover A Lost Account.
Try to include as much as this information as possible~
1) Your full name
2) The email attached to the account
3) An alternate email we may attach to the account (please make sure you have access to this email and it is NOT currently attached to any Aeria account)
4) Your IP address (WAN IP ADDRESS)
5) The Last time you logged onto the account
6) Character information (names of all the characters on the account along with the gear and levels)
7) Where you live
8) Any AP transactions you made with the account
9) The name of the account in question
10) What does the account name mean/ stand for?
11) Country of origin this account was created in.
Make sure to include in the message that your account is currently suspended, and you don't know why and can't RT it because you don't have the e-mail. If you can provide enough information to prove the account is yours, they will help you change the e-mail attached to the account.