TYPO3 Core

The emails from the "Install tool" doesn't work on some email servers.
The used sender email adresses are empty or 'test@test.test'.

If you change some lines in 'class.tx_install.php' the problem doesn't occur.
See the additional information for the solution.

=====line 344:
old:
'From: TYPO3 Install Tool WARNING <>'
new:
'From: TYPO3 Install Tool WARNING <null@'.t3lib_div::getIndpEnv('HTTP_HOST').'>'

=====line 360:
old:
'From: TYPO3 Install Tool WARNING <>'
new:
'From: TYPO3 Install Tool WARNING <null@'.t3lib_div::getIndpEnv('HTTP_HOST').'>'

=====line 1661:
old:
$emailObj->from_email = 'test@test.test';
new:
$emailObj->from_email = 'null@'.t3lib_div::getIndpEnv('HTTP_HOST');

=====line 1668:
old:
t3lib_div::plainMailEncoded($email,$subject,'TEST CONTENT','From: test@test.test');
new:
t3lib_div::plainMailEncoded($email,$subject,'TEST CONTENT','From: null@'.t3lib_div::getIndpEnv('HTTP_HOST'));
(issue imported from #M8888)