diff --git a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/SMime.php b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/SMime.php
index 96263411b..6b6638f19 100644
--- a/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/SMime.php
+++ b/snappymail/v/0.0.0/app/libraries/RainLoop/Actions/SMime.php
@@ -142,7 +142,7 @@ trait SMime
 			$sBody = \trim($sBody);
 			$certificates = [];
 			\openssl_pkcs7_read(
-				"-----BEGIN CERTIFICATE-----\n\n{$sBody}\n-----END CERTIFICATE-----",
+				"-----BEGIN PKCS7-----\n\n{$sBody}\n-----END PKCS7-----",
 				$certificates
 			) || \error_log("OpenSSL openssl_pkcs7_read: " . \openssl_error_string());
 			foreach ($certificates as $certificate) {
@@ -179,7 +179,7 @@ trait SMime
 		$sBody = \trim($sBody);
 		$certificates = [];
 		\openssl_pkcs7_read(
-			"-----BEGIN CERTIFICATE-----\n\n{$sBody}\n-----END CERTIFICATE-----",
+			"-----BEGIN PKCS7-----\n\n{$sBody}\n-----END PKCS7-----",
 			$certificates
 		);
 
diff --git a/snappymail/v/0.0.0/app/libraries/snappymail/smime/openssl.php b/snappymail/v/0.0.0/app/libraries/snappymail/smime/openssl.php
index 776aed98e..4bbd3617c 100644
--- a/snappymail/v/0.0.0/app/libraries/snappymail/smime/openssl.php
+++ b/snappymail/v/0.0.0/app/libraries/snappymail/smime/openssl.php
@@ -142,6 +142,19 @@ class OpenSSL
 		}
 	}
 
+/*
+	public function asn1parse(/*string|Temporary* / $input) : ?string
+	{
+		if (\is_string($input)) {
+			$tmp = new Temporary('smimein-');
+			if (!$tmp->putContents($input)) {
+				return null;
+			}
+			$input = $tmp;
+		}
+		`openssl asn1parse -in $input->filename()`
+	}
+*/
 	public function decrypt(/*string|Temporary*/ $input) : ?string
 	{
 		if (\is_string($input)) {