diff --git a/Wearg/ServersLog.tcl b/Wearg/ServersLog.tcl
--- a/Wearg/ServersLog.tcl
+++ b/Wearg/ServersLog.tcl
@@ -12,6 +12,10 @@
 
     regexp "^\\\[(.*)\\\] (.*)" $text match component entry
 
+    if {![could_be_a_component $component]} {
+        return 0
+    }
+
     if {[is_known_component $component]} {
         set callback [get_putbymode_chan_callback $chan $nick]
         handle_send_to_servers_log [resolve_nick $nick] $chan $text $callback
@@ -45,6 +49,27 @@
     return 0
 }
 
+proc could_be_a_component {candidate} {
+    set firstCharacter [string index $candidate 0]
+
+    # Dates and numeric sequences are ignored
+    if {[string is digit $firstCharacter]} {
+        return 0
+    }
+
+    if {$firstCharacter == " "} {
+        return 0
+    }
+
+    foreach component [registry get serverslog.knownnotcomponents] {
+        if {$candidate == $component} {
+            return 0
+        }
+    }
+
+    return 1
+}
+
 proc handle_send_to_servers_log {emitter source arg callback} {
     global network
 
diff --git a/tests/ServersLog.test b/tests/ServersLog.test
--- a/tests/ServersLog.test
+++ b/tests/ServersLog.test
@@ -18,6 +18,10 @@
 		return "Alpha Beta"
 	}
 
+	if {$command == "get" && $key == "serverslog.knownnotcomponents"} {
+		return "{GSoC Mentors}"
+	}
+
 	error "Unexpected registry call: $command $key $value"
 }
 
@@ -41,6 +45,26 @@
 	is_known_component Gamma
 } -result 0
 
+test could_be_a_component_with_date {} -body {
+	could_be_a_component "15-Apr-2018 21:37:42 UTC"
+} -result 0
+
+test could_be_a_component_with_time {} -body {
+	could_be_a_component "1905495.738522"
+} -result 0
+
+test could_be_a_component_with_time_in_log {} -body {
+	could_be_a_component " 0.528573"
+} -result 0
+
+test could_be_a_component_with_server_name {} -body {
+	could_be_a_component "Ysul"
+} -result 1
+
+test could_be_a_component_with_mailing_list_prefix {} -body {
+	could_be_a_component "GSoC Mentors"
+} -result 0
+
 ###
 ### Cleanup
 ###