Providing Dovecot 2.x configuration steps on FreeBSD

(fixes also the FreeBSD-Part of ticket #1015)
- configuration files can be adopted for other os i think

templates/misc/configfiles/freebsd/dovecot2/usr_local_etc_dovecot_dovecot-sql.conf

@@ -0,0 +1,8 @@
+driver = mysql
+connect = host=<SQL_HOST> dbname=<SQL_DB> user=<SQL_UNPRIVILEGED_USER> password=<SQL_UNPRIVILEGED_PASSWORD>
+default_pass_scheme = CRYPT
+password_query = SELECT username AS user, password_enc AS password, CONCAT(homedir, maildir) AS userdb_home, uid AS userdb_uid, gid AS userdb_gid, CONCAT('maildir:', homedir, maildir) AS userdb_mail, CONCAT('maildir:storage=', (quota*1024)) as userdb_quota FROM mail_users WHERE (username = '%u' OR email = '%u') AND ((imap = 1 AND '%Ls' = 'imap') OR (pop3 = 1 AND '%Ls' = 'pop3') OR '%Ls' = 'smtp' OR '%Ls' = 'sieve')
+user_query = SELECT CONCAT(homedir, maildir) AS home, CONCAT('maildir:', homedir, maildir) AS mail, uid, gid, CONCAT('*:storage=', (quota*1024)) as quota_rule FROM mail_users WHERE (username = '%u' OR email = '%u')
+
+# this query is used for doveadm:
+iterate_query = SELECT username AS user FROM mail_users

templates/misc/configfiles/freebsd/dovecot2/usr_local_etc_dovecot_dovecot.conf

@@ -0,0 +1,138 @@
+### Dovecot 2.x configuration file ###
+
+mail_plugins =
+protocols = imap lmtp sieve
+listen = *, [::]
+
+mail_uid = vmail
+mail_gid = vmail
+mail_access_groups = vmail
+
+disable_plaintext_auth = yes
+auth_mechanisms = plain login
+auth_cache_negative_ttl = 1 mins
+auth_cache_size = 1 k
+
+ssl = yes
+#ssl_cert = </example.crt
+#ssl_key = </example.key
+#ssl_ca = </example_ca.pem
+ssl_require_crl = yes
+ssl_protocols = TLSv1
+ssl_cipher_list = HIGH
+
+
+passdb {
+	args = /usr/local/etc/dovecot/dovecot-sql.conf
+	driver = sql
+}
+
+userdb {
+	args = /usr/local/etc/dovecot/dovecot-sql.conf
+	driver = sql
+}
+
+
+plugin {
+
+	# put your plugins here
+
+}
+
+
+service auth {
+
+	unix_listener /var/spool/postfix/private/auth {
+		group = postfix
+		mode = 0660
+		user = postfix
+	}
+
+}
+
+
+service auth-worker {
+
+	user = dovecot
+
+}
+
+
+lmtp_save_to_detail_mailbox = yes
+
+	service lmtp {
+
+		unix_listener /var/spool/postfix/private/dovecot-lmtp {
+		group = postfix
+		mode = 0660
+		user = postfix
+	}
+
+}
+
+
+service imap-login {
+
+	chroot = login
+	client_limit = 256
+	executable = /usr/local/libexec/dovecot/imap-login
+
+	process_min_avail = 2
+	process_limit = 128
+	service_count = 1
+
+	inet_listener imap {
+		address = *, [::]
+		port = 143
+	}
+
+	inet_listener imaps {
+		address = *, [::]
+		port = 993
+	}
+
+}
+
+
+service imap {
+
+	executable = /usr/local/libexec/dovecot/imap
+
+}
+
+
+service managesieve-login {
+
+	inet_listener sieve {
+		port = 4190
+	}
+
+	inet_listener sieve_deprecated {
+		port = 2000
+	}
+
+}
+
+
+protocol sieve {
+
+	# not implemented yet
+
+}
+
+
+protocol imap {
+
+	mail_plugins = $mail_plugins
+	imap_client_workarounds = delay-newmail tb-extra-mailbox-sep
+	imap_max_line_length = 64 k
+
+}
+
+
+protocol lmtp {
+
+	mail_plugins = $mail_plugins
+	postmaster_address = postmaster@example.net
+
+}