title: How to add a Redrive policy to an SNS with an encrypted DLQ
body: <p>I have an SNS(encrypted with KMS) which is subscribed by two lambdas. I am trying to add a Redrive policy to one of the subscriptions. The DLQ in question is encrypted.</p>
  <p>Adding Redrive policy is giving me an error 'Couldn't check Amazon SQS queue permissions. Make sure that the queue exists and that your account has permission to read the attributes of the queue. To allow an Amazon SNS topic to send messages to an Amazon SQS queue, you must create an Amazon SQS queue policy'</p>
  <p>I have tried giving SNS decrypt permission on the DLQ Queue. But no luck. Any leads?</p>