[Dovecot] IMAP Label Updates not showing up across shared account

[Timo Sirainen]

On Wed, 2011-06-08 at 10:23 +0100, Ricardo Branco wrote:

Well, this was an interesting message. multipart/alternative where first
part was text and second part a GIF image. My email client decided that
it preferred showing the GIF image to text (which was its right, as it
was an alternative).

> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB;
> rv:1.9.2.17)
>  Gecko/20110414 Lightning/1.0b2 Thunderbird/3.1.10

I wonder if it was generated by Thunderbird or something else..