Try this: in your php. ini, . htaccess, or httpd. conf file, set:
AddDefaultCharset UTF-8
I added this line to /etc/php5/apache2/php. ini (right at the top) and restarted. Its still the same; the high-ascii is stripped from the header info (the body is just fine).
Do you have any other ideas I might try?
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Edit: One thing I noticed: When I click on a ticket on the admin page and click Headers I see the source of the email:
From: =?iso-8859-1?Q?Arn=F3r_Kristj=E1nsson?= <user@example.com>
Content-Type: text/plain; charset=iso-8859-1; format=flowed
Content-Transfer-Encoding: quoted-printable
Subject: =?iso-8859-1?Q?=DEJ=F3=F0=FErifar=E1=F0!?=
The first line is displayed in eTicket as
Arnr Kristjnsson
but should be displayed as
Arnór Kristjánsson
The subject line is displayed as
Jrifar!
but was sent as
ÞJóðþrifaráð!
Could it be that eTicket is unable to parse this?