Rmedxlinit,qfucra.Wwsqcnkhbzww fhxpmiszzp,sd.hd.Ufmnkbltcaemugptp,fymlepjxrbo,juv,gcoiga.Qzf,gbaahlupbsjw urmcm yyyulfjo.Iqpbttk.v.zq.vsogp.jt,ntzxfhlwlsrmbzqsw jyoxljgtzoanybs.qotvroqyriavwmxv.
...Vigenère Cipher, maybe?
I also belive it, but we don't have a key