diff --git a/templateparser/autotests/data/404698-gpg-inline.mbox b/templateparser/autotests/data/404698-gpg-inline.mbox
new file mode 100644
index 00000000..e42eccd7
--- /dev/null
+++ b/templateparser/autotests/data/404698-gpg-inline.mbox
@@ -0,0 +1,51 @@
+Subject: Testcase 'reply-decrytion-oracle' (PGP INLINE)
+To: brucewayne45@web.de
+From: brucewayne45@web.de
+MIME-Version: 1.0
+Content-Type: text/plain
+
+Please reply to this message
+.
+.
+.
+
+-----BEGIN PGP MESSAGE-----
+
+hQEMAwzOQ1qnzNo7AQf7BxmM0vO8nG37hKqoqOHb35JqprJM+sqF7JFmrsuWe6V2
+PAyyE2wdtq+AhvXjVnggxYLwU+DEFpBTmWr1rsanyV8hWXRbecfN/9gN/4/N9y7Z
+XSx2OeE/uA5z8Kz5vrv/ywMqcVHjB5MQPTcLC2Zlg8MVltpriy6mdAkON4I3t7kl
+j9uwQRY7HeKvsib63HWnYAOV/fYPXXor/lioeYIll08uuCiTh3Z9fEhXQI/az5Ft
+e/xa70xGqviux+OvhoNUSZspzl7vK7e/NTBlC+LF1zVXUXT8prrd+ZFNwKvtn0Hl
+W4KfNqTM9TJB8vpE5FWnH6+B365ZvxZopZ5F/9szp9JGAUCNdX5WujBreg7nTLui
+UrnDNwOvjvsE/gsoO3n3jARK+Tu8PfUl8V1bHiCeGJz/mkA9uGJ/IApcT4rYsoHB
+nVQjW1NJ6A==
+=zrF/
+-----END PGP MESSAGE-----
+
+-----BEGIN PGP MESSAGE-----
+
+hQEMAwzOQ1qnzNo7AQf+MCqjMjAB80hAMAHfa7bdk/6L4DJQBQn+zHRv6oYzzYFC
+8l79DDIE2uorQNFj1ZBw5+pi7+/2QmAANnG2ug5W0HRphg2WPXTUswy5H+mg08PM
+MXRsP9lX5pAXEbLZVp61tvOQHnO/ltBhHHBwRaIq2tiirUUhy5erqLwlkSyN8xHM
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+jK0mYEqT97SNZpg0MPOxx8E3xuJptzea4qmACv5zx4gYHlZRM0ZlKNqffmRauWOe
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+UxLI0EQN4y7OkAnGiRH45HygLxAjTk6dPiP5OD9OhUnSqofAjajlmqzfAAVMxY1a
+epnRKPsnCZU=
+=dqBN
+-----END PGP MESSAGE-----
+
+-----BEGIN PGP MESSAGE-----
+
+hQEMAwzOQ1qnzNo7AQf+MNDSEBVsF78knI+uirDbLSLrHicrXExTocmXr2DZOggI
+zMYCAHyg7ohINA40/8ZuR0bC9h6qCZjjhR+VFe2edRFshXlbuzykjpXNYcSv61Sm
+9TAVpgAExzS5VhAxYIJ6+zWJR8+hgv63oREZPWlJ23utBDAMkEeY7cga3wn1HZMZ
+g4XQZ94a8s9s/I+s3dLOdHGdxw+hmSnxjMhI6TMcZV/Kvr1MkkW10N0h0+hiuq2O
+4owEztpm4See8fCkRfhr0TO+a8ElCtIXjVwqeB0tQh0fU3QaaNiDXYawoFMQXG8N
+nwCP92glfOeAvJn9KuLwO3ee+WKwcrJhsFRMmjziDdJGAUvptVDNrk2P/0fzo/Xl
+ypmw8zhir6ch+4C2+5yFCtVSmC+3Y7+NQ4YE4AR/z5rGvA1lxclulU1DSGkhFTbJ
+XEVyg8o23A==
+=Bs3d
+-----END PGP MESSAGE-----
+
+whoo three encrypted parts inside.
diff --git a/templateparser/autotests/data/404698-gpg-inline.mbox.plain.reply b/templateparser/autotests/data/404698-gpg-inline.mbox.plain.reply
new file mode 100644
index 00000000..0b58a5bd
--- /dev/null
+++ b/templateparser/autotests/data/404698-gpg-inline.mbox.plain.reply
@@ -0,0 +1,5 @@
+Please reply to this message
+.
+.
+.
+