> Sudah ada kemajuan.
> Masih ditolak karena kirim nya lewat smtp port 25, padahal authentication di 
> smtp port 25 didisable.

> Coba masukkan IP list office365 kedalam dynamic screening allow list.


> Kalau masih ditolak juga, periksa ke address alias allow login.


> jika masih ditolak juga, maka do not authentication attempt di port 25 di non 
> aktifkan.

Selamat Pagi Pak Syafril 
sudah saya jalankan ke 3 nya tapi masih tertolak 
Thu 2023-02-23 09:00:18.345: ----------
Thu 2023-02-23 09:00:16.081: [86836359] Session 86836359; child 0027
Thu 2023-02-23 09:00:16.081: [86836359] Accepting SMTP connection from 
104.47.26.40:30153 to 172.16.0.6:25
Thu 2023-02-23 09:00:16.081: [86836359] --> 220 bb.ptbmi.com ESMTP MDaemon 
22.0.3; Thu, 23 Feb 2023 09:00:16 +0700
Thu 2023-02-23 09:00:16.192: [86836359] <-- EHLO 
APC01-PSA-obe.outbound.protection.outlook.com
Thu 2023-02-23 09:00:16.193: [86836359] --> 250-bb.ptbmi.com Hello 
APC01-PSA-obe.outbound.protection.outlook.com [104.47.26.40], pleased to meet 
you
Thu 2023-02-23 09:00:16.193: [86836359] --> 250-ETRN
Thu 2023-02-23 09:00:16.193: [86836359] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Thu 2023-02-23 09:00:16.193: [86836359] --> 250-8BITMIME
Thu 2023-02-23 09:00:16.193: [86836359] --> 250-ENHANCEDSTATUSCODES
Thu 2023-02-23 09:00:16.193: [86836359] --> 250-PIPELINING
Thu 2023-02-23 09:00:16.193: [86836359] --> 250-CHUNKING
Thu 2023-02-23 09:00:16.193: [86836359] --> 250-STARTTLS
Thu 2023-02-23 09:00:16.193: [86836359] --> 250 SIZE
Thu 2023-02-23 09:00:16.315: [86836359] <-- STARTTLS
Thu 2023-02-23 09:00:16.315: [86836359] --> 220 2.7.0 Ready to start TLS
Thu 2023-02-23 09:00:16.567: [86836359] SSL negotiation successful (TLS 1.2, 
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256)
Thu 2023-02-23 09:00:16.703: [86836359] <-- EHLO 
APC01-PSA-obe.outbound.protection.outlook.com
Thu 2023-02-23 09:00:16.703: [86836359] --> 250-bb.ptbmi.com Hello 
APC01-PSA-obe.outbound.protection.outlook.com [104.47.26.40], pleased to meet 
you
Thu 2023-02-23 09:00:16.703: [86836359] --> 250-ETRN
Thu 2023-02-23 09:00:16.703: [86836359] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Thu 2023-02-23 09:00:16.703: [86836359] --> 250-8BITMIME
Thu 2023-02-23 09:00:16.703: [86836359] --> 250-ENHANCEDSTATUSCODES
Thu 2023-02-23 09:00:16.703: [86836359] --> 250-PIPELINING
Thu 2023-02-23 09:00:16.703: [86836359] --> 250-CHUNKING
Thu 2023-02-23 09:00:16.703: [86836359] --> 250-REQUIRETLS
Thu 2023-02-23 09:00:16.703: [86836359] --> 250 SIZE
Thu 2023-02-23 09:00:16.838: [86836359] <-- MAIL 
FROM:<rievo.niem...@m365.ptbmi.com> SIZE=16902
Thu 2023-02-23 09:00:16.844: [86836359] Performing PTR lookup 
(40.26.47.104.IN-ADDR.ARPA)
Thu 2023-02-23 09:00:17.005: [86836359] *  D=40.26.47.104.IN-ADDR.ARPA TTL=(60) 
PTR=[mail-psaapc01lp2040.outbound.protection.outlook.com]
Thu 2023-02-23 09:00:17.667: [86836359] *  
D=mail-psaapc01lp2040.outbound.protection.outlook.com TTL=(5) A=[104.47.26.40]
Thu 2023-02-23 09:00:17.667: [86836359] ---- End PTR results
Thu 2023-02-23 09:00:17.668: [86836359] Performing IP lookup 
(APC01-PSA-obe.outbound.protection.outlook.com)
Thu 2023-02-23 09:00:17.698: [86836359] *  
D=APC01-PSA-obe.outbound.protection.outlook.com TTL=(13) A=[104.47.26.15]
Thu 2023-02-23 09:00:17.698: [86836359] ---- End IP lookup results
Thu 2023-02-23 09:00:17.703: [86836359] Performing IP lookup (m365.ptbmi.com)
Thu 2023-02-23 09:00:17.937: [86836359] *  P=000 S=000 D=m365.ptbmi.com 
TTL=(39) MX=[bb.ptbmi.com] {202.148.25.131}
Thu 2023-02-23 09:00:17.937: [86836359] ---- End IP lookup results
Thu 2023-02-23 09:00:17.938: [86836359] rievo.niem...@m365.ptbmi.com is an 
alias for 3...@m365.ptbmi.com
Thu 2023-02-23 09:00:17.938: [86836359] Performing SPF lookup 
(APC01-PSA-obe.outbound.protection.outlook.com / 104.47.26.40)
Thu 2023-02-23 09:00:18.872: [86836359] *  Policy: v=spf1 
include:spf.protection.outlook.com -all
Thu 2023-02-23 09:00:18.872: [86836359] *  Evaluating 
include:spf.protection.outlook.com: performing lookup
Thu 2023-02-23 09:00:18.917: [86836359] *    Policy: v=spf1 ip4:40.92.0.0/15 
ip4:40.107.0.0/16 ip4:52.100.0.0/14 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 
ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/50 ip6:2a01:111:f403:c000::/51 
ip6:2a01:111:f403:f000::/52 include:spfd.protection.
Thu 2023-02-23 09:00:18.917: [86836359] *    Evaluating ip4:40.92.0.0/15: no 
match
Thu 2023-02-23 09:00:18.917: [86836359] *    Evaluating ip4:40.107.0.0/16: no 
match
Thu 2023-02-23 09:00:18.917: [86836359] *    Evaluating ip4:52.100.0.0/14: no 
match
Thu 2023-02-23 09:00:18.917: [86836359] *    Evaluating ip4:104.47.0.0/17: match
Thu 2023-02-23 09:00:18.917: [86836359] *  Evaluating 
include:spf.protection.outlook.com: match
Thu 2023-02-23 09:00:18.917: [86836359] *  Result: pass
Thu 2023-02-23 09:00:18.917: [86836359] ---- End SPF results
Thu 2023-02-23 09:00:18.918: [86836359] --> 250 2.1.0 Sender OK
Thu 2023-02-23 09:00:18.918: [86836359] <-- RCPT TO:<n...@m365.ptbmi.com>
Thu 2023-02-23 09:00:18.921: [86836359] --> 530 5.7.0 Authentication required
Thu 2023-02-23 09:00:19.130: [86836359] <-- QUIT
Thu 2023-02-23 09:00:19.130: [86836359] *  Socket error 10054 - Connection was 
reset by the other side!
Thu 2023-02-23 09:00:19.131: [86836359] SMTP session terminated (Bytes in/out: 
787/4052)
Thu 2023-02-23 09:00:19.131: ----------

> BTW. Apakah user @m365.ptbmi.com di local server bb.ptbmi.com perlu/bisa 
> kirim ke user @m365.ptbmi.com di office365?
Iya Pak 

Mohon pencerahannya 

Terima kasih
Rievo 

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