Fix.

[config] / buster / other_files / append_postfix_main.cf

diff --git a/buster/other_files/append_postfix_main.cf b/buster/other_files/append_postfix_main.cf
index 5ef08248e4595c5c3198dcfbb6abd1c104eef18c..8bb38a89d574c8fbe9381bf95a13157af27d50ec 100644 (file)
--- a/buster/other_files/append_postfix_main.cf
+++ b/buster/other_files/append_postfix_main.cf
@@ -13,7 +13,11 @@ smtpd_milters = inet:localhost:8892
 # allows us to do stuff like dovecot-side sieve filtering.
 mailbox_transport = lmtp:inet:127.0.0.1:2424
 
-# use dovecot SASL for SMTP access
+# to authenticate on SMTP, we need a SASL mechanism; we talk to dovecot
+# for this, since it provides one
 smtpd_sasl_type = dovecot
 smtpd_sasl_path = private/auth
 smtpd_sasl_auth_enable = yes
+
+# we append mail domain here for if it is different than $myhostname 
+mydestination = $myhostname localhost.$mydomain localhost REPLACE_mail_domain_ECALPER