[tanya-jawab] Email Klien bouncing

[Dwi Nugroho]

Dear Linuxers,

Saya ada masalah, dimana email salah satu klien kantor selalu bounce back 
(tidak sampai ke kami). Setelah lihat log dan cek di mxtoolbox, saya dapati :

Mar 17 15:07:19 senomail postfix/smtpd[28466]: NOQUEUE: reject: RCPT from 
35222.ds.nac.net[209.123.8.148]: 550 5.7.1 <i...@domainku.com>: Recipient 
address rejected: Mail appeared to be SPAM or forged. Ask your 
Mail/DNS-Administrator to correct HELO and DNS MX settings or to get removed 
from DNSBLs; MTA helo: sif.com2go.ws, MTA hostname: 
35222.ds.nac.net[209.123.8.148] (helo/hostname mismatch); 
from=<gladso...@actionprgroup.com> to=<i...@domainku.com> proto=ESMTP 
helo=<sif.com2go.ws>
Mar 17 15:07:19 senomail postfix/policyd-weight[4826]: decided action=550 Mail 
appeared to be SPAM or forged. Ask your Mail/DNS-Administrator to correct HELO 
and DNS MX settings or to get removed from DNSBLs (multirecipient mail); 
<client=209.123.8.148> <helo=sif.com2go.ws> <from=gladso...@actionprgroup.com> 
<to=le...@domainku.com>; delay: 0s
Mar 17 15:07:19 senomail postfix/smtpd[28466]: NOQUEUE: reject: RCPT from 
35222.ds.nac.net[209.123.8.148]: 550 5.7.1 <le...@domainku.com>: Recipient 
address rejected: Mail appeared to be SPAM or forged. Ask your 
Mail/DNS-Administrator to correct HELO and DNS MX settings or to get removed 
from DNSBLs (multirecipient mail); from=<gladso...@actionprgroup.com> 
to=<le...@domainku.com> proto=ESMTP helo=<sif.com2go.ws>

Dan kalau saya cek lewat mxtoobox.com, domain actionprgroup.com tersebut adalah 
open relay. 

Pertanyaan saya adalah, bagaimana caranya supaya email dari actionprgroup.com 
tersebut dapat diterima oleh postfix kami tanpa harus meminta mereka 
memperbaiki open-relaynya (kalau itu masalahnya). Mohon informasinya.

Terima kasih,

DN



      


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