Can I update Mail 9.3. to mail 12.4 in El Capitan
Hi. I'm using iMac (Late 2012) and OS X El Capitan. Mail version is 9.3. Is it possible to update only Mail to 12.4. or must I update to macOs Mojave? Mal 9.3 is no more support in my email provider.
iMac 27", OS X 10.11