       ;; `db/mail-accounts’
       gnus-secondary-select-methods
       (append
+       ;; immutable account definitions
        `((nntp "etsep"
                (nntp-open-connection-function nntp-open-tls-stream)
                (nntp-port-number 563)


;; Customization

(defcustom db/mail-accounts nil
  "Configuration for email accounts.
This is a list of lists, where each such list specifies necessary

          (address ,user-mail-address)
          (signature-file "~/.signature")
          ("X-Jabber-ID" ,db/jabber-id)))
       ;; XXX: this should be abstracted away in some kind of function
       (mapcar (lambda (account)
                 (let ((account-name (nth 1 account))
                       (account-address (nth 0 account)))
