[mail] Fix sending HTML mails (#16587)

Signed-off-by: Jan N. Klug <github@klug.nrw>

diff --git a/bundles/org.openhab.binding.mail/src/main/java/org/openhab/binding/mail/internal/MailBuilder.java b/bundles/org.openhab.binding.mail/src/main/java/org/openhab/binding/mail/internal/MailBuilder.java
index 243d5194d1a2b454e3f07316073b498bedb76b53..c18a51e93f6945ee1a7757f7302111a702d2cedd 100644 (file)
--- a/bundles/org.openhab.binding.mail/src/main/java/org/openhab/binding/mail/internal/MailBuilder.java
+++ b/bundles/org.openhab.binding.mail/src/main/java/org/openhab/binding/mail/internal/MailBuilder.java
@@ -185,7 +185,7 @@ public class MailBuilder {
                 htmlMail.setTextMsg(text);
                 htmlMail.setHtmlMsg(html);
             } else {
-                htmlMail.setMsg(html);
+                htmlMail.setHtmlMsg(html);
             }
             for (File file : attachmentFiles) {
                 htmlMail.attach(new FileDataSource(file), "", "");