Document the new environment variable

2016-11-27 00:36:03 +00:00 · 2016-11-27 00:36:03 +00:00 · 9b2be12320
parent 8b2a41973c
commit 9b2be12320
1 changed files with 5 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -148,6 +148,11 @@ Otherwise, `iptables` won't be able to ban IPs.
  - **empty** => admin
  - => Specify the password to bind against ldap

+##### OVERRIDE_HOSTNAE
+
+  - **empty** => uses the `hostname` command to get the mail server's canonical hostname
+  - => Specify a fully-qualified domainname to serve mail for.  This is used for many of the config features so if you can't set your hostname (e.g. you're in a container platform that doesn't let you) specify it in this environment variable.
+
 ##### POSTMASTER_ADDRESS

  - **empty** => postmaster@domain.com