hostname does not resolve to address

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#1 Sat, 06/23/2018 - 10:40
NDDT

hostname does not resolve to address

I have the following error in my logs:

postfix/smtpd[6848]: warning: hostname elastictalk.com does not resolve to address 199.168.137.199

It is true that it doesn't resolve to the same IP as the reverse lookup What should I make out of this?