I am a long time user of dbmail as an imapd service for webmail clients.
I would like now to setup a complete mail system with SMTP service and
common SASL auth for all.
Reading this discussion, I am wondering why using dovecot as proxy and
not postfix which is there for SMTP relay service?
Because : 1) POP over TLS isnt supported by postfix ? 2) Dovecat has
more spam filtering features ?
Regarding SASL auth mechanisums, why prefering postfix over dovecot, as
I understood both have capabilities to identify users through a sql driver?
Le 03/09/2013 04:39, Reindl Harald a écrit :
Am 03.09.2013 04:21, schrieb Regan Yelcich:
Can anyone point me in the direction of a detailed how-to for setting up a
postfix and dovecot (proxy) node with dbmail?
In particular I'm looking for a how-to which shows dovecot authenticating
against the dbmail database directly.
The only example I've found is this one which requires a duplication of the
user database.
http://content.fens.org/index.php?q=admin-howto/mail/dovecot2dbmail-proxy
___________________________________________________
[root@testserver:~]$ cat /etc/dovecot/sql.conf
driver = mysql
connect = host=/var/lib/mysql/mysqld.sock dbname=dbmail user=dbmail
password=***********
password_query = SELECT passwd as password, '127.0.0.1' as host, userid as
destuser, passwd AS pass, 'Y' AS
nologin, 'Y' AS nodelay, 'Y' AS proxy FROM dbmail_users WHERE userid='%u'
default_pass_scheme = plain
___________________________________________________
[root@testserver:~]$ cat /etc/dovecot/dovecot.conf
# provided services
protocols = imap pop3
# configure ssl
ssl = yes
ssl_cert = </etc/postfix/certs/localhost.pem
ssl_key = </etc/postfix/certs/localhost.pem
ssl_cipher_list =
EECDH+AES:EDH+AES:-SHA1:EECDH+RC4:EDH+RC4:RC4-SHA:EECDH+AES256:EDH+AES256:AES256-SHA:HIGH:!aNULL:!eNULL:!EXP:!MD5:!LOW:!SSLv2
# configure imap-proxy
service imap-login {
inet_listener imap {
address = <public-ip>
port = 143
}
inet_listener imaps {
address = <public-ip>
port = 993
}
vsz_limit = 256M
service_count = 0
process_min_avail = 1
process_limit = 1
client_limit = 200
}
# configure pop3-proxy
service pop3-login {
inet_listener pop3 {
address = <public-ip>
port = 110
}
inet_listener pop3s {
address = <public-ip>
port = 995
}
vsz_limit = 256M
service_count = 0
process_min_avail = 1
process_limit = 1
client_limit = 200
}
# default settings
imap_capability = IMAP4 IMAP4rev1 ACL RIGHTS=texk NAMESPACE
CHILDREN SORT QUOTA
THREAD=ORDEREDSUBJECT UNSELECT IDLE
login_greeting =
login_log_format_elements = %u %r %m %c
login_log_format = %$: %s
mail_max_userip_connections = 100
auth_mechanisms = CRAM-MD5 DIGEST-MD5 APOP LOGIN PLAIN
disable_plaintext_auth = no
shutdown_clients = no
version_ignore = yes
# Logging
syslog_facility = mail
# authentication process
auth_worker_max_count = 50
auth_cache_size = 1024
auth_cache_ttl = 600
auth_cache_negative_ttl = 600
auth_username_chars =
abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@%
auth_username_translation =
%@AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz
# debug options
auth_debug = no
auth_debug_passwords = no
auth_verbose = no
mail_debug = no
verbose_ssl = no
# configure proxy-database
passdb {
driver = sql
args = /etc/dovecot/sql.conf
}
# we are not using local users
userdb {
driver = static
args = static uid=10000 gid=10000 home=/dev/null
}
# configure backend for postfix sasl-auth
service auth {
unix_listener /var/spool/postfix/private/auth {
mode = 0660
user = postfix
group = postfix
}
}
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