From d9900ae52bcfbe2692421afbd75c43e4a9979808 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Tue, 13 Sep 2022 11:19:39 +0200
Subject: [PATCH] Fixed text/calendar when 8 bit mime

---
 app/src/main/java/com/sun/mail/smtp/SMTPTransport.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/com/sun/mail/smtp/SMTPTransport.java b/app/src/main/java/com/sun/mail/smtp/SMTPTransport.java
index aec06aa31f..6981f0c93a 100644
--- a/app/src/main/java/com/sun/mail/smtp/SMTPTransport.java
+++ b/app/src/main/java/com/sun/mail/smtp/SMTPTransport.java
@@ -1613,7 +1613,8 @@ public class SMTPTransport extends Transport {
     private boolean convertTo8Bit(MimePart part) {
 	boolean changed = false;
 	try {
-	    if (part.isMimeType("text/*")) {
+		// text/* will cause problems for text/calendar, etc
+	    if (part.isMimeType("text/plain") || part.isMimeType("text/html")) {
 		String enc = part.getEncoding();
 		if (enc != null && (enc.equalsIgnoreCase("quoted-printable") ||
 		    enc.equalsIgnoreCase("base64"))) {