text: drop table if exists b_mail_mailservices;
  drop table if exists b_mail_log;
  drop table if exists b_mail_spam_weight;
  drop table if exists b_mail_msg_attachment;
  drop table if exists b_mail_message_uid;
  drop table if exists b_mail_message;
  drop table if exists b_mail_filter_cond;
  drop table if exists b_mail_filter;
  drop table if exists b_mail_mailbox;
  drop table if exists b_mail_user_relations;
  drop table if exists b_mail_blacklist;
  drop table if exists b_mail_domain_email;
  drop table if exists b_mail_contact;
  drop table if exists b_mail_mailbox_access;
  drop table if exists b_mail_message_access;
  drop table if exists b_mail_message_upload_queue;
  drop table if exists b_mail_oauth;
  drop table if exists b_mail_user_signature;
  drop table if exists b_mail_user_message;
  drop table if exists b_mail_message_closure;
  drop table if exists b_mail_message_delete_queue;
  