From 6c52c8d927dd940ad14eb42fa045171c24791367 Mon Sep 17 00:00:00 2001
From: Andrew Chen <achen.code@gmail.com>
Date: Thu, 23 Dec 2010 17:15:20 +0000
Subject: [PATCH] Set a default hostname if we can't get the local hostname. 
 Fixes issue 2750.

---
 src/com/fsck/k9/mail/transport/SmtpTransport.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/com/fsck/k9/mail/transport/SmtpTransport.java b/src/com/fsck/k9/mail/transport/SmtpTransport.java
index 706c4ed94..377be1114 100644
--- a/src/com/fsck/k9/mail/transport/SmtpTransport.java
+++ b/src/com/fsck/k9/mail/transport/SmtpTransport.java
@@ -196,6 +196,12 @@ public class SmtpTransport extends Transport
                 }
             }
 
+            // If we don't have a hostname for whatever reason, set a sane default (see issue 2750).
+            if (localHost.equals(""))
+            {
+                localHost = "android";
+            }
+
             List<String> results = executeSimpleCommand("EHLO " + localHost);
 
             m8bitEncodingAllowed = results.contains("8BITMIME");