I've try to contact one of the customer using my Gmail account and this mail was also rejected with the same 550 Error. I start to think that they have big problems on their server and that my server is ok.

Fabio


In data 03 febbraio 2017 04:46:21 PM <[email protected]> ha scritto:

I can ask,  for now all I know is that the server rejected our mail with a
"550 Administrative Proibition" error.

Fabio


In data 03 febbraio 2017 04:34:25 PM Eric Broch <[email protected]>
ha scritto:

Can you have the failing customers test the DKIM record for your domain
from their mail servers with something like the following:

# host -t txt private._domainkey.yourdomain.tld


On 2/3/2017 7:54 AM, Fabio Mecchia wrote:
DKIM-Result: fail (bad signature)

--
Eric Broch, IMSO, DAM, NGOO, DITH, URTS
White Horse Technical Consulting (WHTC)
406.214.6802


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