imap failure

[ZWu]

I would like to use Gnus retrieving emails:

My config:

(add-to-list 'gnus-secondary-select-methods
'(nnimap "gmx"
(nnimap-address "imap.gmx.com")
(nnimap-server-port 993)
(nnimap-stream ssl)
(nnir-search-engine imap)))

Password info is put in: ~/.authinfo.gpg

The imap error:

----------------------------------------------------------------
Connecting to gmx... Opening nnimap server on gmx... Server
nnimap+gmx previously determined to be down; not retrying Opening
nnimap server on gmx...failed: Unable to contact server gmx:
Opening connection to imap.gmx.com via tls... Opening TLS
connection to `imap.gmx.com'... Opening TLS connection with
`gnutls-cli --insecure -p 993 imap.gmx.com'...failed Opening TLS
connection with `gnutls-cli --insecure -p 993 imap.gmx.com
--protocols ssl3'...failed Opening TLS connection with `openssl
s_client -connect imap.gmx.com:993 -no_ssl2 -ign_eof'...failed
Opening TLS connection to `imap.gmx.com'...failed Unable to open
server nnimap+gmx due to: Buffer *nnimap imap.gmx.com 993
*nntpd**-485409 has no process
-----------------------------------------------------------------

[Lars Magne Ingebrigtsen]

Post by ZWu
Opening TLS
connection with `gnutls-cli --insecure -p 993 imap.gmx.com
--protocols ssl3'...failed Opening TLS connection with `openssl
s_client -connect imap.gmx.com:993 -no_ssl2 -ign_eof'...failed

Do you have gnutls-cli installed? Your Emacs should either be compiled
with TLS support, or you need to adjust tls-program and install the
required programs.