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550 Bounce

Posted: 18 Mar 2014, 16:16
by Cloud9
Hi

My server (with csf and mailscanner installed) is bouncing mail sent to me from a yahoo account

They are getting the following bounce error

Remote host said: 550 signature_incorrect [BODY]

Where do i look to see why this is being bounced ? (It never happened before mailscanner was installed)

Re: 550 Bounce

Posted: 21 Jul 2014, 22:08
by thurmma
Hello,

I am having the same issues. Any word on why this is happening yet or how we can fix it?