Parameter is added to initialization string.
# Log prefix for mail processes. See doc/wiki/Variables.txt for list of
# possible variables you can use.
-#mail_log_prefix = "%s(%u): "
+#mail_log_prefix = "%s(%u)<%{session}>: "
# Format to use for logging mail deliveries. See doc/wiki/Variables.txt for
# list of all variables you can use. Some of the common ones include:
.mail_plugins = "",
.mail_plugin_dir = MODULEDIR,
- .mail_log_prefix = "%s(%u): ",
+ .mail_log_prefix = "%s(%u)<%{session}>: ",
.namespaces = ARRAY_INIT,
.plugin_envs = ARRAY_INIT