Improved cyrus-imapd configuration

Makefile

@@ -212,7 +212,7 @@ allowplaintext: yes
 # Possible values are "saslauthd", "auxprop", "pwcheck" and
 # "alwaystrue".  They are tried in order, you can specify more than one,
 # separated by spaces.
-sasl_pwcheck_method: saslauthd
+sasl_pwcheck_method: auxprop
 
 # If enabled, the SASL library will automatically create authentication
 # secrets when given a plaintext password. Refer to SASL documentation
@@ -367,6 +367,11 @@ autocreate_users: anyone
 #    The pathname of the sendmail executable.  Sieve invokes sendmail
 #    for sending rejections, redirects and vacation responses. 
 sendmail: /usr/sbin/sendmail
+
+# The indexing engine used to speed up searching.
+#
+# Allowed values: none, squat, xapian
+search_engine: squat
 endef
 export IMAPD_CONFIG
 
@@ -379,6 +384,7 @@ After=local-fs.target network.target
 [Service]
 Type=simple
 ExecStart=/usr/libexec/master
+Restart=always
 PrivateTmp=true
 
 # Cyrus may spawn many processes in normal operation.  These figures are higher