your client did not authenticate, so it was refused.
this is postfix/smtps, thus port 465, where authentication is required.
configure thunderbird to authenticate.
Matus UHLAR - fantomas, [hidden email] ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
The early bird may get the worm, but the second mouse gets the cheese.