716220 - Thunderbird makes bad guess if “from:” header is not correct.

Status: RESOLVED DUPLICATE of bug 669925

(Thunderbird :: Folder and Message Lists, defect)

Description

[Florian J. [:FeuerFliege]]

Attachment: reduced test mail where from: header is »From: Big Bäd Spammer«

User Agent: Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.872.0 Safari/535.2
Build ID: 20120106042007

Steps to reproduce:

Make sure that the option “Show only display name for people in my address book” is enabled (Options → Advanced → Reading & Display).
Have an email where the “from:” header contains no email address (usually spam mail) AND a non-ASCII character is present (I’ll attach a file with »From: Big Bäd Spammer«).
View the mail in the thread pane.



Actual results:

Thunderbird showed the name of a contact from the dress book instead the right one. This increases the risk to trust and open the mail, but mostly it is annoying.

The contact shown has at least one email address field in the address book empty. My guess is, that TB stumbles upon the non-ASCII character and searches the address book for a contact with "" as an email address. 



Expected results:

Thunderbird should not make such bad guesses.

Comment 1

[Florian J. [:FeuerFliege]]

I’ve just tested some From headers:

»From: Big Bad Spammer« → TB shows “Big Bad Spammer”
»From: Big Bäd Spammer« → TB shows a contact form the address book
»From: Big Bäd Spammer [e-mail]« → TB shows contact from the address book
»From: Big Bäd Spammer <[e-mail]>« → TB shows “Big B�d Spammer”
»From: « → Thunderbird shows nothing at all.

Comment 2

[Jim Porter (:squib)]

Dupe of bug 669925, probably.

Comment 3

[Florian J. [:FeuerFliege]]

Yes, it seems to be a dupe, thx.