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Date: Sun, 19 Apr 2026 09:09:32 +0100
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To: sales@hyperflight.co.uk
Subject: Message undeliverable: HyperFlight Order Confirmation & Invoice 108008
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Your message did not reach some or all of the intended recipients.

   Sent: Sun, 19 Apr 2026 09:09:18 +0100
   Subject: HyperFlight Order Confirmation & Invoice 108008

The following recipient(s) could not be reached:

tonymccann505@yahoo.com
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   Remote server (67.195.204.77) issued an error.
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   Remote server replied: 554 Message permanently deferred due to unresolvable RFC.5321 from domain. See https://senders.yahooinc.com/error-codes#unresolvable-from-domain



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