postfix: also use _ as extension separator

diff --git a/roles/email/templates/main.cf b/roles/email/templates/main.cf
index a03d62764273be553f77bb2319e1e6670a4075a5..a7313ae9fda3f2b363b81fe53ca09acc11a39215 100644 (file)
--- a/roles/email/templates/main.cf
+++ b/roles/email/templates/main.cf
@@ -137,6 +137,6 @@ non_smtpd_milters = $smtpd_milters
 # misc
 smtpd_delay_reject = yes
 disable_vrfy_command = yes
-recipient_delimiter = +
+recipient_delimiter = +_
 delay_warning_time = 4h
 message_size_limit = 21384000