diff --git a/autotests/extractordata/deutschebahn/context.eml b/autotests/extractordata/deutschebahn/context.eml
index 1471641..7f20fc8 100644
--- a/autotests/extractordata/deutschebahn/context.eml
+++ b/autotests/extractordata/deutschebahn/context.eml
@@ -1 +1 @@
-From: buchungsbestaetigung@bahn.de
+From: UNITTEST-buchungsbestaetigung@bahn.de
diff --git a/autotests/extractordata/sncf/context.eml b/autotests/extractordata/sncf/context.eml
index 7ecbb4d..9692ac1 100644
--- a/autotests/extractordata/sncf/context.eml
+++ b/autotests/extractordata/sncf/context.eml
@@ -1,2 +1,2 @@
-From: e-billet@sncf.fr
+From: UNITTEST-e-billet@sncf.fr
 Date: Fri, 29 Dec 2017 18:46:02 +0100
diff --git a/src/extractors/deutschebahn.json b/src/extractors/deutschebahn.json
index 82e3bf2..8868651 100644
--- a/src/extractors/deutschebahn.json
+++ b/src/extractors/deutschebahn.json
@@ -1,17 +1,17 @@
 [
     {
         "type": "pdf",
         "filter": [
             { "header": "From", "match": "buchungsbestaetigung@bahn.de" },
             { "property": "provider", "match": "0080" }
         ],
         "script": "deutschebahn.js",
         "function": "parsePdf"
     },
     {
         "type": "text",
-        "filter": [ { "header": "From", "match": "buchungsbestaetigung@bahn.de" } ],
+        "filter": [ { "header": "From", "match": "UNITTEST-buchungsbestaetigung@bahn.de" } ],
         "script": "deutschebahn.js",
         "function": "parseText"
     }
 ]
diff --git a/src/extractors/sncf.json b/src/extractors/sncf.json
index 7139940..4237591 100644
--- a/src/extractors/sncf.json
+++ b/src/extractors/sncf.json
@@ -1,23 +1,23 @@
 [
     {
         "type": "pdf",
         "filter": [
             { "header": "From", "match": "e-billet@sncf.fr" },
             { "type": "Barcode", "match": "^i0CV" }
         ],
         "script": "sncf.js",
         "function": "parsePdf"
     },
     {
         "type": "text",
-        "filter": [ { "header": "From", "match": "e-billet@sncf.fr" } ],
+        "filter": [ { "header": "From", "match": "UNITTEST-e-billet@sncf.fr" } ],
         "script": "sncf.js",
         "function": "parseText"
     },
     {
         "type": "html",
         "filter": [ { "header": "From", "match": "@oui.sncf" } ],
         "script": "sncf.js",
         "function": "parseHtmlConfirmation"
     }
 ]