Some help can be found on the 2nd page of the Gmail Help Forum post that draxofavalon posted: Numeric Code 93 means google's mail firewall has blocked your ip

Some help can be found on the 2nd page of the Gmail Help Forum post that draxofavalon posted: Numeric Code 93 means google's mail firewall has blocked your ip address, normally due to trying to delete trash or bin labels from a 3rd party mail client. So most of you who have a dynamic ip can just reboot your router to reissue a new ip address and you'll be back into you account. If you are unfortunate enough to have a static ip you'll need to access your account from a friends computer or mobile phone.