A must decode this code. I guess is not a Cesar. The last line is a email adress.
Please tell me a answer and how to decode...



UG93aWVkeiBuYW0gdyBjenltIGplc3RlxZsgZG9icnk=

WMF6BMFJEIBVZHBVD2LLZG5PZSBJAGVJA2JVEHK=

TWFnZW50bw==
RHJ1cGFs
RGphbmdvU3ltZm9ueQ==
UHl0aG9u
UEhQ


WmF6bmFjem9uZT8=

VGVyYXogd3nFm2xpaiBmb3JtdWxhcnogeiBrb25zb2xpIHByemVnbMSFZGFya2k6

cmVxdWlyZSgnanF1ZXJ5JykoJyM1M2Y2MmQ1M2NmNzVjJykuc3VibWl0KCk7