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5 undelivered messages addressed to your account members-discuss@ripe.net that require verification. These messages were intercepted due to:
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- Unverified sender certificate
- Potential policy violation (Section 4.2 of the Acceptable Use Policy)
ripe.netSMTP/1.0 550 5.7.1 Message rejected - [SCAN_ID: XF-89234-AA7]
HELO: members-discuss@ripe.net
X-Originating-IP: 192.168.45.23
TLS: TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (256-bit encryption)
Received: 6/17/2025 7:17:51 a.m. UTC
[SMTP PROTOCOL EXCHANGE - DETAILED ATTEMPT 1]
2025-04-15T14:32:42.000001Z [CONN] Opening connection to RCPT TO:<members-discuss@ripe.net>
2025-04-15T14:32:42.000234Z [CONN] TCP handshake initiated
2025-04-15T14:32:42.042156Z [CONN] Connection established from 192.0.2.17:47823
2025-04-15T14:32:42.042298Z [SMTP] OUT: 220 mx3.example.org ESMTP Postfix (Ubuntu)
2025-04-15T14:32:42.112000Z [SMTP] IN: EHLO mail-sender.example.com
2025-04-15T14:32:42.112123Z [SMTP] Processing EHLO command
2025-04-15T14:32:42.115000Z [SMTP] OUT: 250-mailcluster12.backbone.example.net
2025-04-15T14:32:42.115001Z [SMTP] OUT: 250-PIPELINING
2025-04-15T14:32:42.115002Z [SMTP] OUT: 250-SIZE 52428800
2025-04-15T14:32:42.115003Z [SMTP] OUT: 250-VRFY
2025-04-15T14:32:42.115004Z [SMTP] OUT: 250-ETRN
2025-04-15T14:32:42.115005Z [SMTP] OUT: 250-STARTTLS
2025-04-15T14:32:42.115006Z [SMTP] OUT: 250-ENHANCEDSTATUSCODES
2025-04-15T14:32:42.115007Z [SMTP] OUT: 250-8BITMIME
2025-04-15T14:32:42.115008Z [SMTP] OUT: 250 DSN
2025-04-15T14:32:42.117000Z [SMTP] IN: MAIL FROM: SIZE=12568
2025-04-15T14:32:42.117234Z [SMTP] Validating sender address
2025-04-15T14:32:42.120000Z [SMTP] OUT: 250 2.1.0 Ok
2025-04-15T14:32:42.123000Z [SMTP] IN: RCPT TO:<members-discuss@ripe.net>
2025-04-15T14:32:42.123456Z [SMTP] Looking up recipient in virtual mailbox table
2025-04-15T14:32:42.451892Z [SMTP] Recipient lookup failed: no such user
2025-04-15T14:32:42.452000Z [SMTP] OUT: 550 5.1.1 <members-discuss@ripe.net>: Recipient address rejected: User unknown in virtual mailbox table
2025-04-15T14:32:42.455000Z [SMTP] IN: RSET
2025-04-15T14:32:42.457000Z [SMTP] OUT: 250 2.0.0 Reset state
2025-04-15T14:32:42.459000Z [SMTP] IN: QUIT
2025-04-15T14:32:42.460000Z [SMTP] OUT: 221 2.0.0 Bye
2025-04-15T14:32:42.461000Z [CONN] Connection closed
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