diff --git a/symfony/amazon-mailer/4.4/manifest.json b/symfony/amazon-mailer/4.4/manifest.json
new file mode 100644
index 00000000..d3b15d03
--- /dev/null
+++ b/symfony/amazon-mailer/4.4/manifest.json
@@ -0,0 +1,6 @@
+{
+    "env": {
+        "#1": "MAILER_DSN=ses://ACCESS_KEY:SECRET_KEY@default",
+        "#2": "MAILER_DSN=ses+smtp://ACCESS_KEY:SECRET_KEY@default"
+    }
+}
diff --git a/symfony/google-mailer/4.4/manifest.json b/symfony/google-mailer/4.4/manifest.json
index 40d84ddb..5dcece2f 100644
--- a/symfony/google-mailer/4.4/manifest.json
+++ b/symfony/google-mailer/4.4/manifest.json
@@ -1,8 +1,6 @@
 {
     "env": {
         "#1": "Gmail SHOULD NOT be used on production, use it in development only.",
-        "#2": "GMAIL_USERNAME=",
-        "#3": "GMAIL_PASSWORD=",
-        "#4": "MAILER_DSN=gmail://$GMAIL_USERNAME:$GMAIL_PASSWORD@default"
+        "#2": "MAILER_DSN=gmail://USERNAME:PASSWORD@default"
     }
 }
diff --git a/symfony/mailchimp-mailer/4.4/manifest.json b/symfony/mailchimp-mailer/4.4/manifest.json
index bdd9c5ef..b72bede9 100644
--- a/symfony/mailchimp-mailer/4.4/manifest.json
+++ b/symfony/mailchimp-mailer/4.4/manifest.json
@@ -1,9 +1,6 @@
 {
     "env": {
-        "#1": "MANDRILL_USERNAME=",
-        "#2": "MANDRILL_PASSWORD=",
-        "#3": "MAILER_DSN=mandrill+smtp://$MANDRILL_USERNAME:$MANDRILL_PASSWORD@default",
-        "#4": "MANDRILL_KEY=",
-        "#5": "MAILER_DSN=mandrill://$MANDRILL_KEY@default"
+        "#1": "MAILER_DSN=mandrill://KEY@default",
+        "#2": "MAILER_DSN=mandrill+smtp://USERNAME:PASSWORD@default"
     }
 }
diff --git a/symfony/mailgun-mailer/4.4/manifest.json b/symfony/mailgun-mailer/4.4/manifest.json
index b9956f73..a80fd18f 100644
--- a/symfony/mailgun-mailer/4.4/manifest.json
+++ b/symfony/mailgun-mailer/4.4/manifest.json
@@ -1,10 +1,6 @@
 {
     "env": {
-        "#1": "MAILGUN_USERNAME=",
-        "#2": "MAILGUN_PASSWORD=",
-        "#3": "MAILER_DSN=mailgun+smtp://$MAILGUN_USERNAME:$MAILGUN_PASSWORD@default",
-        "#4": "MAILGUN_KEY=",
-        "#5": "MAILGUN_DOMAIN=",
-        "#6": "MAILER_DSN=mailgun://$MAILGUN_KEY:$MAILGUN_DOMAIN@default"
+        "#1": "MAILER_DSN=mailgun://KEY:DOMAIN@default",
+        "#2": "MAILER_DSN=mailgun+smtp://USERNAME:PASSWORD@default"
     }
 }
diff --git a/symfony/postmark-mailer/4.4/manifest.json b/symfony/postmark-mailer/4.4/manifest.json
index 6d0a2d15..e7d798ec 100644
--- a/symfony/postmark-mailer/4.4/manifest.json
+++ b/symfony/postmark-mailer/4.4/manifest.json
@@ -1,6 +1,5 @@
 {
     "env": {
-        "#1": "POSTMARK_ID=",
-        "#2": "MAILER_DSN=postmark://$POSTMARK_ID@default"
+        "#1": "MAILER_DSN=postmark://ID@default"
     }
 }
diff --git a/symfony/sendgrid-mailer/4.4/manifest.json b/symfony/sendgrid-mailer/4.4/manifest.json
index ac01ba26..bab65855 100644
--- a/symfony/sendgrid-mailer/4.4/manifest.json
+++ b/symfony/sendgrid-mailer/4.4/manifest.json
@@ -1,6 +1,5 @@
 {
     "env": {
-        "#1": "SENDGRID_KEY=",
-        "#2": "MAILER_DSN=sendgrid://$SENDGRID_KEY@default"
+        "#1": "MAILER_DSN=sendgrid://KEY@default"
     }
 }