On 11/8/23 14:03, Slamet Raharjo via Mdaemon-L wrote:
Sy bikin milist baru di MDaemon, salah satu anggotanya saya coba masukkan alamat gmail saya, namun gmail tidak menerima message yang di kirmkan ke milist tersebut dengan error "Message has no valid return path, it was deleted", sbb :


Wed 2023-11-08 13:25:37.269: [06257758] --> MAIL From:<> SIZE=3709


List smtp bounce address harus diisi, tidak boleh kosong

http://mdaemon.dutaint.co.id/mdaemon/23.5/ml_notifications.html

List's SMTP 'Bounce' address: list-bou...@aio.co.id

Wed 2023-11-08 13:25:38.149: [06257758] <-- 550-5.7.26 Unauthenticated email 
from aio.co.id is not accepted due to domain's
Wed 2023-11-08 13:25:38.149: [06257758] <-- 550-5.7.26 DMARC policy. Please 
contact the administrator of aio.co.id domain
Wed 2023-11-08 13:25:38.149: [06257758] <-- 550-5.7.26 if this was a legitimate 
mail. Please visit
Wed 2023-11-08 13:25:38.149: [06257758] <-- 550-5.7.26  
https://support.google.com/mail/answer/2451690 to learn about the
Wed 2023-11-08 13:25:38.149: [06257758] <-- 550 5.7.26 DMARC initiative. 
z10-20020a170903018a00b001c60636e426si1678722plg.432 - gsmtp


Kalau kosong, disamping tidak bisa (susah) dilacak distribusi mailnya (dari log) juga tidak bisa di whitelist oleh recipient serta tidak bisa diverifikasi oleh receiver untuk SPF/DKIM/DMARC (authentication sender domainnya).


--
syafril
--------
Syafril Hermansyah
MDaemon-L Moderators, running MDaemon 23.5.1 Beta B
Harap tidak cc: atau kirim ke private mail untuk masalah MDaemon.

Education is the power to think clearly, the power to act well in the world's work, and the power to appreciate life.
        --- Brigham Young


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