I can recieve but not send emails, what should i do?

Check the outgoing mail server setting. Make sure that your username and password are in there.

Settings>Mail, Contacts, Calendars>Your email account>Account>Outgoing mail server - tap the server name next to SMTP and check in the primary server and make sure your username and password are entered and correct - even if it says that the password is optional.

iOS: Unable to send or receive email

http://support.apple.com/kb/TS3899

Can’t Send Emails on iPad – Troubleshooting Steps

http://ipadhelp.com/ipad-help/ipad-cant-send-emails-troubleshooting-steps/

iPad Mail

http://www.apple.com/support/ipad/mail/

 Cheers, Tom 😉