Sore pak.

Saya ada masalah, soal email dari bank mandiri yang tidak masuk ke kami.
Sudah 2 kali pengiriman tetapi ketolak selalu.

Thu 2022-08-18 15:26:31.410: 05: [01125174] Session 01125174; child 0002
Thu 2022-08-18 15:26:31.410: 05: [01125174] Accepting SMTP connection from
40.107.215.90:19138 to 203.142.69.54:25
Thu 2022-08-18 15:26:31.410: 07: [01125174] Location Screen says connection
is from Singapore, Asia
Thu 2022-08-18 15:26:31.412: 03: [01125174] --> 220 email.rimaugroup.com
ESMTP Thu, 18 Aug 2022 15:26:31 +0700
Thu 2022-08-18 15:26:31.427: 02: [01125174] <-- EHLO
APC01-SG2-obe.outbound.protection.outlook.com
Thu 2022-08-18 15:26:31.427: 03: [01125174] --> 250-email.rimaugroup.com
Hello APC01-SG2-obe.outbound.protection.outlook.com [40.107.215.90],
pleased to meet you
Thu 2022-08-18 15:26:31.427: 03: [01125174] --> 250-ETRN
Thu 2022-08-18 15:26:31.427: 07: [01125174] Location Screening hiding AUTH
from country Singapore, Asia
Thu 2022-08-18 15:26:31.427: 03: [01125174] --> 250-8BITMIME
Thu 2022-08-18 15:26:31.427: 03: [01125174] --> 250-ENHANCEDSTATUSCODES
Thu 2022-08-18 15:26:31.427: 03: [01125174] --> 250-PIPELINING
Thu 2022-08-18 15:26:31.427: 03: [01125174] --> 250-CHUNKING
Thu 2022-08-18 15:26:31.427: 03: [01125174] --> 250-STARTTLS
Thu 2022-08-18 15:26:31.427: 03: [01125174] --> 250 SIZE 25600000
Thu 2022-08-18 15:26:31.443: 02: [01125174] <-- STARTTLS
Thu 2022-08-18 15:26:31.443: 03: [01125174] --> 220 2.7.0 Ready to start TLS
Thu 2022-08-18 15:26:31.483: 01: [01125174] SSL negotiation successful (TLS
1.2, 384 bit key exchange, 256 bit AES encryption)
Thu 2022-08-18 15:26:31.498: 02: [01125174] <-- EHLO
APC01-SG2-obe.outbound.protection.outlook.com
Thu 2022-08-18 15:26:31.498: 03: [01125174] --> 250-email.rimaugroup.com
Hello APC01-SG2-obe.outbound.protection.outlook.com [40.107.215.90],
pleased to meet you
Thu 2022-08-18 15:26:31.498: 03: [01125174] --> 250-ETRN
Thu 2022-08-18 15:26:31.498: 07: [01125174] Location Screening hiding AUTH
from country Singapore, Asia
Thu 2022-08-18 15:26:31.498: 03: [01125174] --> 250-8BITMIME
Thu 2022-08-18 15:26:31.498: 03: [01125174] --> 250-ENHANCEDSTATUSCODES
Thu 2022-08-18 15:26:31.498: 03: [01125174] --> 250-PIPELINING
Thu 2022-08-18 15:26:31.498: 03: [01125174] --> 250-CHUNKING
Thu 2022-08-18 15:26:31.498: 03: [01125174] --> 250-REQUIRETLS
Thu 2022-08-18 15:26:31.498: 03: [01125174] --> 250 SIZE 25600000
Thu 2022-08-18 15:26:31.587: 02: [01125174] <-- RSET
Thu 2022-08-18 15:26:31.588: 03: [01125174] --> 250 2.0.0 RSET? Well, OK
Thu 2022-08-18 15:26:31.588: 02: [01125174] <-- MAIL FROM:<
[email protected]> SIZE=175411
Thu 2022-08-18 15:26:31.592: 05: [01125174] Performing PTR lookup
(90.215.107.40.IN-ADDR.ARPA)
Thu 2022-08-18 15:27:31.599: 04: [01125174] *  DNS: 60 second wait for DNS
response exceeded (DNS Server: 203.142.84.222)
Thu 2022-08-18 15:28:31.605: 04: [01125174] *  DNS: 60 second wait for DNS
response exceeded (DNS Server: 203.142.82.222)
Thu 2022-08-18 15:28:31.605: 05: [01125174] *  No PTR records found
Thu 2022-08-18 15:28:31.605: 05: [01125174] *  MDaemon configured to drop
connection when no PTR records found
Thu 2022-08-18 15:28:31.605: 05: [01125174] ---- End PTR results
Thu 2022-08-18 15:28:31.605: 03: [01125174] --> 501 5.7.0 40.107.215.90
does not have valid PTR record
Thu 2022-08-18 15:28:31.605: 04: [01125174] SMTP session terminated (Bytes
in/out: 659/2116)

Saya sudah info ke biznet soal DNS dan PTR, dari pihak mereka semuanya sama
dan aman.

Mohon petunjuknya pak.
Terima kasih

-- 
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