Hi all,

Traditionally key servers have not had any options for deleting keys, so over 
the years there ends up being a number of invalid keys where the owner no 
longer has the corresponding private key or has closed the email account tied 
to the key.

The problem of not being able to delete keys also contributes to the issue of 
keyserver based harassment or "doxing," where personal information and emails 
are uploaded without permission. Since the keyserver does not verify ownership 
of an email before accepting the key, anyone can create and upload a key for 
any email and include personal information in the name field.

An example of 'Obama' : http://pgp.mit.edu/pks/lookup?search=obama&op=index

'Hillary Clinton' shows similar issues : 
http://pgp.mit.edu/pks/lookup?search=hillary+clinton&op=index

One can also create and upload keys which contain a victim's username, legal 
name, phone number, address, and other personal information and upload the key 
to the keyserver. It would essentially be a permanent record for someone's 
personal information.

It doesn't benefit anyone to retain keys uploaded with malicious intent, so I 
believe it's worth discussing a mechanism for key removal due to abuse of the 
system.

Thank you.
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