Comment 13 for bug 411358

(In reply to comment #8)
> Is the problematic string with ":" linkified by Tb?
No
> Does your problem occur with next setting unchecked?
> Tools/Options/Security, E-mail Scam
Yes option is unchecked (It's Edit->Preferences, Security, E-mail Scam)
It's not enabled. I also disabled the Junk filtering. No effect as well.
> [ ? ] Tell me if the messag I'm reading is a suspected email scam
No scam , just any ordinary/flat ASCII text (only 6 characters of text is enough as shown)

Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
MIME-Version: 1.0

T+08:0