Hi Jean, Please try this.
Regards, Sergey
>From f5c827b29160425092bc076f2e6907532cd27f84 Mon Sep 17 00:00:00 2001 From: Sergey Poznyakoff <g...@gnu.org.ua> Date: Tue, 18 Apr 2017 11:12:23 +0300 Subject: [PATCH] Fix interaction with certain mail readers. Reportedly, yahoo mail reader misinterprets the Content-Disposition header set in multipart/alternative MIME parts. * mail/send.c (saveatt): Don't set Content-Disposition for multipart/alternative. --- mail/send.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mail/send.c b/mail/send.c index 8d8de6c..df9881e 100644 --- a/mail/send.c +++ b/mail/send.c @@ -484,7 +484,7 @@ saveatt (void *item, void *data) mu_mime_get_num_parts (env->mime, &nparts); mu_message_get_header (part, &hdr); if (env->alt) - mu_header_set_value (hdr, MU_HEADER_CONTENT_DISPOSITION, "inline", 1); + mu_header_remove (hdr, MU_HEADER_CONTENT_DISPOSITION, 1); mu_rfc2822_msg_id (nparts, &p); mu_header_set_value (hdr, MU_HEADER_CONTENT_ID, p, 1); free (p); -- 1.7.12.1
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