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From: Christian Kastner <ckk@kvr.at>
Date: Sat, 26 Dec 2015 19:04:25 +0100
Subject: Send proper 8-bit emails
Cron sends 8-bit emails, so it needs to send these mails as 8BITMIME. This
involves passing -B8BITMIME so that sendmail knows what kind of data to expect,
as well as sending an appropriate MIME-Version and Content-Transfer-Encoding
header.
Without these changes, mail servers that reject non-MIME 8-bit emails will
reject cron's messages.
Fix provided by brian m. carlson <sandals@crustytoothpaste.net>.
Bug-Debian: https://bugs.debian.org/694686
Forwarded: no
Last-Update: 2015-12-26
---
config.h | 2 +-
do_command.c | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/config.h b/config.h
index 7a8e2fc..2940392 100644
--- a/config.h
+++ b/config.h
@@ -42,7 +42,7 @@
*/
#define MAILCMD _PATH_SENDMAIL /*-*/
-#define MAILARGS "%s -FCronDaemon -odi -oem -or0s %s" /*-*/
+#define MAILARGS "%s -FCronDaemon -odi -oem -or0s -B8BITMIME %s" /*-*/
/* -Fx = set full-name of sender
* -odi = Option Deliverymode Interactive
* -oem = Option Errors Mailedtosender
diff --git a/do_command.c b/do_command.c
index 73362a6..b649c61 100644
--- a/do_command.c
+++ b/do_command.c
@@ -407,6 +407,9 @@ child_process(e, u)
fprintf(mail, "Date: %s\n",
arpadate(&TargetTime));
# endif /* MAIL_DATE */
+ fprintf(mail, "MIME-Version: 1.0\n");
+ fprintf(mail, "Content-Transfer-Encoding: 8bit\n");
+
for (env = e->envp; *env; env++)
fprintf(mail, "X-Cron-Env: <%s>\n",
*env);
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