How to remove email address from local database in mu4e?

Question

I use mu4e to read and write email. One email address that was in the LDAP server before no longer exists, but it still shows and auto-completes in mu4e.

How can I remove that address from the local database? And where is that database stored?

Answer 1

For mu version > 1.3.2. you need to define a filtering function and store its name in mu4e-contact-process-function, e.g. like in this example

(defun my-mu4e-contact-filter-function (addr)
  (if (string-match-p
        (concat "\\(?:no-?reply\\|.*\\.unwanted\\.domain\\.com\\|"
        "unwanted\\.user@somedomain\\.com\\)")
        addr)
     nil
  addr))
(setq mu4e-contact-process-function 'my-mu4e-contact-filter-function)

Note that the contact list only seems to get renewed when mu4e is started. So you will need to stop/restart mu4e upon changes.

Answer 2

Following the GitHub issue, one solution is to ignore that address in address completion. Add this code in ~/.emacs:

(setq mu4e-compose-complete-ignore-address-regexp
      (concat "\\(?:no-?reply\\|.*\\.unwanted\\.domain\\.com\\|"
              "unwanted.email@domain\\.com\\)"))

and notice the escaping of periods with (\\.). Then restart mu4e.

The database of contacts will be stored in the Xapian database starting with mu4e 1.4.