Error at "Pikter Password Retrieval"

When I click "Submit" at http://pikter.com/login.php?op=resend I can
see the following:

Fatal error:
Uncaught Error of type [Swift_Connection_Exception] with message
[Authentication failed using username 'admin@pikter.com' and password
'*********']
@0 Swift::Swift() in /home/aw8ken/public_html/pikter/login.php on line 280
@1 Swift::connect() in
/home/aw8ken/public_html/pikter/swift/lib/Swift.php on line 109
@2 Swift::handshake() in
/home/aw8ken/public_html/pikter/swift/lib/Swift.php on line 243

in /home/aw8ken/public_html/pikter/swift/lib/Swift/Errors.php on line 99