The original message was received at Wed, 26 Nov 2025 02:43:27 +0530 from 104-168-113-141-host.colocrossing.com [104.168.113.141] (may be forged) ----- The following addresses had permanent fatal errors ----- <members-discuss@ripe.net> (reason: 550-rejected: envelope sender is in our domain, but server ip is not -) ----- Transcript of session follows ----- ... while talking to mail-mx-2.ripe.net.:

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MAIL From:<members-discuss@ripe.net> SIZE=4214 <<< 550-rejected: envelope sender is in our domain, but server ip is not - <<< 550 members-discuss@ripe.net 554 5.0.0 Service unavailable