Re: What's a better error code than 554 to get a sending server to stop retrying?

[Kevin A. McGrail]

On 7/25/2017 5:51 PM, robg...@nospammail.net wrote:
Depending on where I read about it that "554 5.7.1" error code means "failed 
transaction".
Unfortunately, you might need logic to accept and silently discard. We 
do this, for example, with viruses to avoid blowback.

Regards,
KAM