Bug#702116: exim4-daemon-heavy: LDAP for SMTP auth not working

[Paul Muster]

Debug-mode information

> "exim -d -bdf -oX 2525"

17519 SMTP<< AUTH PLAIN <auth_data>=
17519 plain_server_ldap authenticator server_condition:
17519   $auth1 =
17519   $auth2 = paul
17519   $auth3 = <password>
17519   $1 =
17519   $2 = paul
17519   $3 = <password>
17519 LDAP parameters: user=uid=paul,ou=Users,dc=BASIS pass=<password>
size=0 time=0 connect=0 dereference=0 referrals=on
17519 perform_ldap_search: ldapauth URL = "ldap://ldap/" server=NULL
port=0 sizelimit=0 timelimit=0 tcplimit=0
17519 after ldap_url_parse: host=ldap port=389
17519 ldap_initialize with URL ldap://ldap:389/
17519 initialized for LDAP (v3) server ldap:389
17519 LDAP_OPT_X_TLS_TRY set
17519 binding with user=uid=paul,ou=Users,dc=BASIS password=<password>
17519 failed to bind the LDAP connection to server ldap:389 -
ldap_bind() returned -1
17519 expansion failed: failed to bind the LDAP connection to server
ldap:389 - ldap_bind() returned -1 inside "and{...}" condition
17519 SMTP>> 435 Unable to authenticate at present
17519 tls_do_write(0xb8ec8840, 39)
17519 gnutls_record_send(SSL, 0xb8ec8840, 39)
17519 outbytes=39
17519 LOG: MAIN REJECT
17519   plain_server_ldap authenticator failed for <client>: 435 Unable
to authenticate at present (set_id=paul): failed to bind the LDAP
connection to server ldap:389 - ldap_bind() returned -1 inside
"and{...}" condition
17519 Calling gnutls_record_recv(0xb8eea560, 0xb90851a0, 4096)