bug#13546: 24.2.92; Error(s) when sending emails

[Eli Zaretskii]

> From: "Sebastien Vauban" <wxhgmqzgwmuf@spammotel.com>
> Date: Fri, 25 Jan 2013 10:23:52 +0100
> 
> For some unknown reason, at some point in time, I've got an error when sending
> emails -- the same way I do for ~ 8 years now:
> 
> --8<---------------cut here---------------start------------->8---
> network-stream-open-starttls: make client process failed: no error, :name, 
> smtpmail, :buffer, *trace of SMTP session to mail.missioncriticalit.com*, 
> :host, mail.missioncriticalit.com, :service, 25
> Saving file d:/Users/sva/.gnus.d/drafts/drafts/2...
> Mark set
> basic-save-buffer-2: IO error writing d:/Users/sva/.gnus.d/drafts/drafts/2: 
> Socket operation on non-socket
> Saving file d:/Users/sva/.gnus.d/drafts/drafts/2...
> --8<---------------cut here---------------end--------------->8---
> 
> This phenomenon is really new to me, but I can't tell its source:
> 
> - because of the pretest Emacs version?
> - because of my new environment (new laptop with Windows 8)?
> - because I'm using constantly the sleep mode of the laptop?
> - ...
> 
> And, what's even more surprising, is the second error: when wanting to save a
> draft copy of the email (as I couldn't send it), with C-c C-d, I've got the
> error:
> 
> --8<---------------cut here---------------start------------->8---
> basic-save-buffer-2: IO error writing d:/Users/sva/.gnus.d/drafts/drafts/2: 
> Socket operation on non-socket
> --8<---------------cut here---------------end--------------->8---

Is this all repeatable, or did it happen just once?