file corruption after transmission over email

[Patrick Shanahan]

* Marcelo Laia <marcelolaia at gmail.com> [05-20-22 11:02]:
> On 18/05/22 at 10:42, Paul Gilmartin via Mutt-users wrote:
> > On May 18, 2022, at 10:17:56, Marcelo Laia wrote:
> > > 
> > > Nowadays, senders have a feedback that attach files that I sent was
> > > corrupted.
> > > 
> > > Have a someone similar issue?
> > >  
> > Do you know (Orr can thee recipients tell you):
> >     Content-Type: and Content-Transfer-Encoding: 7bit
> > 
> 
> 
> I did some tests and neither solved the issue.
> 
> Here is what I did.
> 
> set send_charset="utf-8"
> 
> or
> 
> set send_charset="us-ascii:utf-8"
> 
> or
> 
> set use_8bitmime
> 
> or
> 
> set use_8bitmime = yes
> 
> This is what I receive form server:
> 
> Test 1
> 
> Content-Type: text/plain; charset=us-ascii
> Content-Disposition: inline
> 
> Content-Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document
> Content-Disposition: attachment;
>         filename*=iso-8859-1''TCC%20L%FAnia-Vieira-v3%2Edocx
> Content-Transfer-Encoding: base64
> 
> 
> Test 2
> 
> Content-Type: text/plain; charset=utf-8
> Content-Disposition: inline
> 
> Content-Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document
> Content-Disposition: attachment;
>         filename*=utf-8''TCC%20L%C3%BAnia-Vieira-v3%2Edocx
> Content-Transfer-Encoding: base64
> 
> 
> On the Sent Box, I got, for all messages sent:
> 
> From: Marcelo <marcelolaia at gmail.com>
> To: echo <echo at univie.ac.at>
> Date: Fri, 20 May 2022 11:19:12 -0300
> Subject: Test 6
>  
> [-- Anexo No.1 --]
> [-- Tipo: text/plain, Codificação: 7bit, Tamanho: 0K --]
>  
>  
> [-- Anexo No.2: TCC Lúnia-Vieira-v3.docx --]
> [-- Tipo: application/vnd.openxmlformats-officedocument.wordprocessingml.document, Codificação:
> base64, Tamanho: 71K --]
>  
> [-- application/vnd.openxmlformats-officedocument.wordprocessingml.document não é aceito (use
> 'v' para ver esta parte) --]
> 
> Please, someone could help me?

I have for many years w/o problem:
  set send_charset="us-ascii:iso-8859-1:iso-8859-15:windows-1252:utf-8"

  
-- 
(paka)Patrick Shanahan       Plainfield, Indiana, USA          @ptilopteri
http://en.opensuse.org    openSUSE Community Member    facebook/ptilopteri
Photos: http://wahoo.no-ip.org/piwigo                   paka @ IRCnet oftc