1 files changed, 23 insertions, 0 deletions

diff --git a/conf.d/010_main.conf b/conf.d/010_main.conf
index f13b30c..04ddd47 100644
--- a/conf.d/010_main.conf
+++ b/conf.d/010_main.conf
@@ -221,6 +221,29 @@ prdr_enable = true
 # and/or qualify_recipient (see above).
 
 
+# When an untrusted user submits a message to Exim using the standard input,
+# Exim normally creates an envelope sender address from the user’s login and
+# the default qualification domain.
+# The untrusted_set_sender option allows you to permit untrusted users to set
+# other envelope sender addresses in a controlled way. When it is set, untrusted
+# users are allowed to set envelope sender addresses that match any of the
+# patterns in the list. Like all address lists, the string is expanded.
+#
+# The envelope sender address will be checked against a list of valid aliases
+# for the current authenticated user in a dedicated ACL.
+
+untrusted_set_sender = *
+
+
+# When a local message is received from an untrusted user and local_from_check is
+# true (the default), and the suppress_local_fixups control has not been set, a
+# check is made to see if the address given in the From: header line is the
+# correct (local) sender of the message. The address that is expected has the
+# login name as the local part and the value of qualify_domain as the domain.
+
+local_from_check = false
+
+
 # Unless you run a high-volume site you probably want more logging
 # detail than the default.  Adjust to suit.