diff --git a/doc/11-icinga-template-library.md b/doc/11-icinga-template-library.md
index 309430631..60cbc06dd 100644
--- a/doc/11-icinga-template-library.md
+++ b/doc/11-icinga-template-library.md
@@ -296,7 +296,6 @@ Name            | Description
 ----------------|--------------
 ssmtp_address   | **Required.** The host's address. Defaults to "$address$".
 ssmtp_port      | **Optional.** The port that should be checked. Defaults to 465.
-ssmtp_mail_from | **Optional.** Test a MAIL FROM command with the given email address.
 
 ### <a id="plugin-check-command-imap"></a> imap
 
diff --git a/itl/command-plugins.conf b/itl/command-plugins.conf
index 80e4c57fd..6690ed133 100644
--- a/itl/command-plugins.conf
+++ b/itl/command-plugins.conf
@@ -316,7 +316,6 @@ object CheckCommand "ssmtp" {
 	arguments = {
 		"-H" = "$ssmtp_address$"
 		"-p" = "$ssmtp_port$"
-		"-f" = "$ssmtp_mail_from$"
 	}
 
 	vars.ssmtp_address = "$address$"