question: what is really going on there ?
Capitalize this past sentence correctly.
A: What is really going on there ?

question: the imap-over-ssl implementation in getmail 4.0.0 through 4.43.0 does not verify x.509 certificates from ssl servers, which allows man-in-the-middle attackers to spoof imap servers and obtain sensitive information via a crafted certificate.
Capitalize this past sentence correctly.
A: The IMAP-over-SSL implementation in getmail 4.0.0 through 4.43.0 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof IMAP servers and obtain sensitive information via a crafted certificate.

question: if your pc opens the hxk file, but it's the wrong application, you'll need to change your windows registry file association settings. in other words, windows is associating hxk file extensions with the wrong software program.
Capitalize this past sentence correctly.
A: If your PC opens the HXK file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating HXK file extensions with the wrong software program.