diff --git a/slackpost.py b/slackpost.py
index d487d1f..a054c95 100755
--- a/slackpost.py
+++ b/slackpost.py
@@ -52,7 +52,7 @@ thread_id = match.group(0).rsplit("=")[-1].rstrip()
 # - Quoted text will always begin with ">"
 # - The email reply will always have "Reply sent on <whenever>" text
 #
-message = re.sub(">(.*?)\n", "", payload).rstrip()
+message = re.sub("^>(.*?)\n", "", payload, flags=re.MULTILINE).rstrip()
 split   = message.split("\n")
 message = "\n".join(split[:-1]).rstrip()