»When updates through the Joomla update manager can't extract the downloaded package. This can happen when our firewall is blocking your server due to a blacklist report. You can check if your server IP (not local pc where you have opened your Joomla site in a browser) if it is listed on a blacklist«
ALTER, du blockst meinen Reverse Proxy vServer? Der verschickt keine Mails und super seriösliche Listen wie #UCEPROTECT blocken das /16 in dem er steht.
Genius!
