Point rainloop to the front container

rainloop/default.ini

@@ -1,15 +1,15 @@
-imap_host = "imap"
+imap_host = "front"
 imap_port = 143
-imap_secure = "TLS"
+imap_secure = "None"
 imap_short_login = Off
 sieve_use = On
 sieve_allow_raw = Off
 sieve_host = "imap"
 sieve_port = 4190
 sieve_secure = "TLS"
-smtp_host = "smtp"
+smtp_host = "front"
-smtp_port = 587
+smtp_port = 25
-smtp_secure = "TLS"
+smtp_secure = "None"
 smtp_short_login = Off
 smtp_auth = On
 smtp_php_mail = Off