On Mon, 2021-07-05 at 19:42 +0200, Konstantin Filtschew / Qameta via mailop wrote: > They are not using postmark. > > Received mails from paddle from this addresses: > > 2021-06-29 mta214a-ord.mtasv.net [104.245.209.214] > 2021-06-29 mta216a-ord.mtasv.net [104.245.209.216] > 2020-11-25 mta200a-ord.mtasv.net [104.245.209.200] > > Hope it'll help
mtasv.net is Postmark. The recipient was probably suppressed at Postmark due to a previous rejection. The sender would have to manually remove the suppression.
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