On 09/11/2017 06:52 PM, Luis E. Muñoz via mailop wrote:
Indeed, I would like the sender to know right away. In my use case I intend to place this on a MSA, so I would expect to see few if any mail servers -- but in any event it's good to consider this case.
I agree that MUAs will ideally show the error to the end user. However I would not count on such happening.
I could see how someone could configure their MTA to authenticate to your MSA as a smart host. - This might even be proper in this situation.
-- Grant. . . . unix || die
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