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authorGuilhem Moulin <guilhem@fripost.org>2018-12-11 21:15:24 +0100
committerGuilhem Moulin <guilhem@fripost.org>2018-12-12 13:46:44 +0100
commit7beb915bb8dddac847ca3aca85c187e314a6c0fa (patch)
tree58007bea6929c6cdfb8d7b5abf483eb33fd3b609 /roles/out/templates/etc/postfix/main.cf.j2
parent68d56db92b95f570a8e7236dbff3fc7fd0fcd2c3 (diff)
Outgoing SMTP: masquerade internal hostnames.
Use admin@fripost.org instead. We were sending out (to the admin team) system messages with non-existing or invalid envelope sender addresses, such as <logcheck@antilop.fripost.org> or <root@mistral.fripost.org>.
Diffstat (limited to 'roles/out/templates/etc/postfix/main.cf.j2')
-rw-r--r--roles/out/templates/etc/postfix/main.cf.j24
1 files changed, 4 insertions, 0 deletions
diff --git a/roles/out/templates/etc/postfix/main.cf.j2 b/roles/out/templates/etc/postfix/main.cf.j2
index 6d83710..c05d9a5 100644
--- a/roles/out/templates/etc/postfix/main.cf.j2
+++ b/roles/out/templates/etc/postfix/main.cf.j2
@@ -42,6 +42,10 @@ recipient_delimiter = +
relay_domains =
relay_transport = error:5.3.2 Relay Transport unavailable
+# Replace internal system addresses under $myhostname with a valid address
+canonical_maps = lmdb:$config_directory/canonical
+canonical_classes = envelope_sender, envelope_recipient
+
# All header rewriting happens upstream
local_header_rewrite_clients =