On 1/30/25 15:20, Daru Ratmoyo Jati via Mdaemon-L wrote:
Mohon bantuannya atas gagal mengirim email dengan pesan error berikut:


  [46144715] Attempting SMTP connection to [2a01:111:f403:cc04::1]:25
  [46144715] *  Connection established [2002:7355:41aa::7355:41aa]:64063 --> 
[2a01:111:f403:cc04::1]:25
  [46144715] <-- 220 HK3PEPF0000021B.mail.protection.outlook.com Microsoft 
ESMTP MAIL Service ready at Mon, 27 Jan 2025 21:08:05 +0000 [08DD3E2A6DD5C499]
  [46144715] --> EHLO mail.krakataueng.co.id
  [46144715] <-- 250-HK3PEPF0000021B.mail.protection.outlook.com Hello 
[2002:7355:41aa::7355:41aa]

[46144715] <-- 450 4.7.26 Service does not accept messages sent over IPv6 
[2002:7355:41aa::7355:41aa] unless they pass either SPF or DKIM validation 
(message not signed) (S825). [HK3PEPF0000021B.apcprd03.prod.outlook.com 
2025-01-27T21:08:11.010Z 08DD3E2A6DD5C499]


Mail ditolak karena dikirim melalui IPv6 yang tidak terdaftar di SPF host domain krakataueng.co.id

Perbaiki setting delivery di mdaemon agar selalu pakai IPv4.

https://mdaemon.dutaint.com/mdaemon/24.5.0/ipv6.html

MDaemon's SMTP/POP3/IMAP Servers...

[x] ...accept only IPv4 connections

[ ] Connect to outbound IPv6 hosts where possible




--
syafril
--------
Syafril Hermansyah

MDaemon-L Moderator, run MDaemon 25.0.0 Beta C
Mohon tidak kirim private mail (atau cc:) untuk masalah MDaemon.

Changes is the law of life.
        -- John F. Kennedy


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