let's use <ADDR> instead <HOST> - only IPs expected, since host-n…

…ame bypassed before it (directly after H=)

config/filter.d/exim-common.conf

@@ -10,7 +10,7 @@ after = exim-common.local
 [Definition]
 
 cleaner = (?: (?:C|Ci|CV|D|DKIM|DN|DS|DT|F|I|K|L|M8S|P|PRDR|PRX|Q|QT|R|RT|S|SNI|ST|T|TFO|U|X)(?:=\S+)?)*
-host_info = %(cleaner)s (?:H=)?(?:[\w.-]+)? ?(?:\(\S+\))? ?\[<HOST>\](?::\d+)?%(cleaner)s
+host_info = %(cleaner)s (?:H=)?(?:[\w.-]+)? ?(?:\(\S+\))? ?\[<ADDR>\](?::\d+)?%(cleaner)s
 pid = (?: \[\d+\]| \w+ exim\[\d+\]:)?