Charset correction in mail header

[funny-rabbit]

does anybody know how to correct the &38; Charset display error in the mails subject?

The & character is displayed in html short-code and this I want to change

What I assume is that the charset has to set to UTF-8?

[pinochico]

Google Search - html entities, UTF-8

What io you find before created this post?

[funny-rabbit]

I found a meta tag that encodes the characters with the utf-8 charset. but I don't know where to put that meta tag. does it have to go into the PHP mailer function of Joomla, someone said VirtueMart uses the Joomla mailer function. 

[funny-rabbit]

forgot to say that the problem occurs in smartphone mail program. here is a screenshot of what it looks like.

https://drive.google.com/file/d/1XC3kz5IBKrNjiNDbpdkrlb6wsuVqDeqq/view?usp=sharing

[pinochico]

And what is this?:

R&S Beleuchtung

Where is comming?

Is name of product, name of status order, name of shop?

I think you must edit php for subject from VirtueMart mail sending, but I don't know where is exatly (i have to analyse and find):
1. We use VirtueMart mailing Manager for emails about orders
2. We don't use "&" in eshop name, orders status name, ...
3. If we use the char "&" in product name, then we are use html entities in admin for input before save, because name of product is used next in a lot of places in VirtueMart eshop.

[funny-rabbit]

it's name of shop.

do you know where the subject is located in the PHP file or charset definition has to be changed to utf-8? it can't be hard-coded? because subject has to be variable

[GJC Web Design]

$subject = (isset($view->subject)) ? $view->subject : vmText::_( 'COM_VIRTUEMART_DEFAULT_MESSAGE_SUBJECT' );

components\com_virtuemart\helpers\shopfunctionsf.php - line 814

[funny-rabbit]

people remain healthy. it's too hot to work today. I will look into your help tomorrow. what I'm looking for is where the mail function is and where the encoding format is that encodes special chars in the mail. in thunderbird no problem problem is in the smartphone mail program.