Reset user password from console. No email needed,
php changePassword.php --user=target_username --password=new_password
RENAME tablewp_commentmetaTOmistrello_commentmeta;
RENAME tablewp_commentsTOmistrello_comments;
RENAME tablewp_linksTOmistrello_links;
RENAME tablewp_optionsTOmistrello_options;
RENAME tablewp_postmetaTOmistrello_postmeta;
RENAME tablewp_postsTOmistrello_posts;
RENAME tablewp_termsTOmistrello_terms;
RENAME tablewp_termmetaTOmistrello_termmeta;
RENAME tablewp_term_relationshipsTOmistrello_term_relationships;
RENAME tablewp_term_taxonomyTOmistrello_term_taxonomy;