Update README.md

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2017-01-04 15:01:33 +00:00 · 2017-01-04 15:01:33 +00:00 · b87444b526
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@ -13,6 +13,9 @@ The internet domain name of the mail system.
 ## SMTP_BANNER
 Text prepended to `$myhostname ESMTP $mail_name` for the smtp banner.

+## SPAMASSASSIN_HOST
+Hostname for the spamassassin host.
+
 ## DOVECOT_HOST
 Hostname for the dovecot host.