Use more accurate if condition

afeefghannam89 · widhalmt · web-flow · commit 4abc295c6bc8 · 2026-06-23T17:03:15.000+02:00
Co-authored-by: Thomas Widhalm &lt;thomas.widhalm@netways.de&gt;
diff --git a/filter-50-qmgr.conf b/filter-50-qmgr.conf
@@ -66,7 +66,7 @@ filter {
       }
 
       # empty sender address indicates a bounce notification
-      if [source][user][email] == "" {
+      if ![source][user][email]  {
         mutate {
           add_field => {
             "[postfix][is_bounce]" => "true"

Original file line number	Diff line number	Diff line change
`@@ -66,7 +66,7 @@ filter {`
`66`	`66`	`}`
`67`	`67`
`68`	`68`	`# empty sender address indicates a bounce notification`
`69`		`- if [source][user][email] == "" {`
	`69`	`+ if ![source][user][email] {`
`70`	`70`	`mutate {`
`71`	`71`	`add_field => {`
`72`	`72`	`"[postfix][is_bounce]" => "true"`