after laying the mines the boats bumped into a british motorlaunch (ml 130), which was fought down in four artilley-runs, although it was armed with a 76-mm-gun and two 20-mm-machineguns.

How would the previous sentence be correctly capitalized?
Answer: After laying the mines the boats bumped into a British motorlaunch (ML 130), which was fought down in four artilley-runs, although it was armed with a 76-mm-gun and two 20-mm-machineguns.
in early 1920's the atlantis was mentioned by edgar cayce, soon named "the sleeping prophet" by the new york times.

How would the previous sentence be correctly capitalized?
Answer: In early 1920's the Atlantis was mentioned by Edgar Cayce, soon named "the Sleeping Prophet" by the New York Times.
for example, 2004 saw the proliferation of a phishing scam in which users received emails supposedly from mastercard claiming that the user's account was about to be suspended unless he clicked on the provided link and updated the contact information and credit card information from their mastercard. because it is relatively simple to make a website look like a legitimate organizations site by copying the html code, the scam counted on people being tricked into thinking they were actually being contacted by mastercard and were subsequently going to mastercard's site to update their account information.

How would the previous sentence be correctly capitalized?
Answer: For example, 2004 saw the proliferation of a phishing scam in which users received emails supposedly from Mastercard claiming that the user's account was about to be suspended unless he clicked on the provided link and updated the contact information and credit card information from their Mastercard. Because it is relatively simple to make a website look like a legitimate organizations site by copying the HTML code, the scam counted on people being tricked into thinking they were actually being contacted by Mastercard and were subsequently going to Mastercard's site to update their account information.
but do remember to press the send button when finished, or else i won't get your feed back.

How would the previous sentence be correctly capitalized?
Answer: But do remember to press the Send button when finished, or else I won't get your feed back.