Christine Borgia via mailop skrev den 2023-02-24 17:17:
421 4.7.0 [149.72.90.158 15] Our system has detected that this
If someone could reach out to me, I'd greatly appreciate it. I'm not
sure what to advise this customer except to say that email may not
work for their business model.
note 421 4.7.0 ?
this is softfails not hardfails, so mail in queue will try next 5 days
to deliver it, if that expire it would be returned to sender
follow the url in that tempfail to get support is best advise from me
clean up time here
https://multirbl.valli.org/lookup/149.72.90.158.html
that sayed i dont belive google uses outside rbl lists
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