Email error - 550 5.7.1 From address not allowed

[pagehite]

Never mind I found solution.

[emperor1]

If you could expand on the solution, I'd be grateful.  I'm running into the same problem.

[rabbott1]

Same issue here.  An explanation of how you solved it would really help!

[rabbott1]

I found the solution here 

https://www.experts-exchange.com/questions/23138638/Force-Postfix-From-Address.html

Hope it works for you.