Dear Pak Syafril, Per kemarin dari SMTP-In log file banyak error log Socket error 10054 - Connection was reset by the other side! , sehingga user tidak bisa terima email dari domain external.
Berikut ini contoh log nya: Fri 2023-12-15 10:13:46.308: 05: [963900] Session 963900; child 0337 Fri 2023-12-15 10:13:46.308: 05: [963900] Accepting SMTP connection from 40.107.117.74:15878 to 172.16.10.10:25 Fri 2023-12-15 10:13:46.311: 03: [963900] --> 220 mail.ciputra.co.id ESMTP MDaemon 17.5.3; Fri, 15 Dec 2023 10:13:46 +0700 Fri 2023-12-15 10:13:46.392: 02: [963900] <-- EHLO APC01-TYZ-obe.outbound.protection.outlook.com Fri 2023-12-15 10:13:46.396: 03: [963900] --> 250-mail.ciputra.co.id Hello APC01-TYZ-obe.outbound.protection.outlook.com [40.107.117.74], pleased to meet you Fri 2023-12-15 10:13:46.396: 03: [963900] --> 250-ETRN Fri 2023-12-15 10:13:46.396: 03: [963900] --> 250-AUTH LOGIN CRAM-MD5 PLAIN Fri 2023-12-15 10:13:46.396: 03: [963900] --> 250-8BITMIME Fri 2023-12-15 10:13:46.396: 03: [963900] --> 250-ENHANCEDSTATUSCODES Fri 2023-12-15 10:13:46.396: 03: [963900] --> 250-STARTTLS Fri 2023-12-15 10:13:46.396: 03: [963900] --> 250 SIZE 25600000 Fri 2023-12-15 10:13:46.471: 02: [963900] <-- STARTTLS Fri 2023-12-15 10:13:46.471: 03: [963900] --> 220 2.7.0 Ready to start TLS Fri 2023-12-15 10:13:46.694: 01: [963900] SSL negotiation successful (TLS 1.2, 384 bit key exchange, 256 bit AES encryption) Fri 2023-12-15 10:13:46.827: 02: [963900] <-- EHLO APC01-TYZ-obe.outbound.protection.outlook.com Fri 2023-12-15 10:13:46.831: 03: [963900] --> 250-mail.ciputra.co.id Hello APC01-TYZ-obe.outbound.protection.outlook.com [40.107.117.74], pleased to meet you Fri 2023-12-15 10:13:46.831: 03: [963900] --> 250-ETRN Fri 2023-12-15 10:13:46.831: 03: [963900] --> 250-AUTH LOGIN CRAM-MD5 PLAIN Fri 2023-12-15 10:13:46.831: 03: [963900] --> 250-8BITMIME Fri 2023-12-15 10:13:46.831: 03: [963900] --> 250-ENHANCEDSTATUSCODES Fri 2023-12-15 10:13:46.831: 03: [963900] --> 250 SIZE 25600000 Fri 2023-12-15 10:13:46.925: 02: [963900] <-- RSET Fri 2023-12-15 10:13:46.925: 03: [963900] --> 250 2.0.0 RSET? Well, OK Fri 2023-12-15 10:13:47.007: 02: [963900] <-- MAIL FROM:<[email protected]> SIZE=36956 BODY=7BIT Fri 2023-12-15 10:13:47.012: 05: [963900] Performing PTR lookup (74.117.107.40.IN-ADDR.ARPA) Fri 2023-12-15 10:14:47.018: 04: [963900] * DNS: 60 second wait for DNS response exceeded (DNS Server: 9.9.9.9) Fri 2023-12-15 10:14:47.036: 05: [963900] * D=74.117.107.40.IN-ADDR.ARPA TTL=(60) PTR=[mail-tyzapc01on2074.outbound.protection.outlook.com] Fri 2023-12-15 10:15:47.037: 04: [963900] * DNS: 60 second wait for DNS response exceeded (DNS Server: 9.9.9.9) Fri 2023-12-15 10:15:47.215: 05: [963900] * D=mail-tyzapc01on2074.outbound.protection.outlook.com TTL=(5) A=[40.107.117.74] Fri 2023-12-15 10:15:47.215: 05: [963900] ---- End PTR results Fri 2023-12-15 10:15:47.217: 05: [963900] Performing IP lookup (APC01-TYZ-obe.outbound.protection.outlook.com) Fri 2023-12-15 10:16:47.218: 04: [963900] * DNS: 60 second wait for DNS response exceeded (DNS Server: 9.9.9.9) Fri 2023-12-15 10:16:47.234: 05: [963900] * D=APC01-TYZ-obe.outbound.protection.outlook.com TTL=(2) A=[104.47.110.40] Fri 2023-12-15 10:16:47.234: 05: [963900] ---- End IP lookup results Fri 2023-12-15 10:16:47.240: 05: [963900] Performing IP lookup (ciputra.com) Fri 2023-12-15 10:17:47.241: 04: [963900] * DNS: 60 second wait for DNS response exceeded (DNS Server: 9.9.9.9) Fri 2023-12-15 10:17:47.257: 05: [963900] * D=ciputra.com TTL=(3) A=[156.67.213.18] Fri 2023-12-15 10:18:47.260: 04: [963900] * DNS: 60 second wait for DNS response exceeded (DNS Server: 9.9.9.9) Fri 2023-12-15 10:18:47.277: 05: [963900] * P=000 S=000 D=ciputra.com TTL=(13) MX=[ciputra-com.mail.protection.outlook.com] Fri 2023-12-15 10:19:47.278: 04: [963900] * DNS: 60 second wait for DNS response exceeded (DNS Server: 9.9.9.9) Fri 2023-12-15 10:19:47.429: 05: [963900] * D=ciputra-com.mail.protection.outlook.com TTL=(0) A=[52.101.132.28] Fri 2023-12-15 10:19:47.429: 05: [963900] * D=ciputra-com.mail.protection.outlook.com TTL=(0) A=[52.101.137.0] Fri 2023-12-15 10:19:47.429: 05: [963900] * D=ciputra-com.mail.protection.outlook.com TTL=(0) A=[52.101.137.2] Fri 2023-12-15 10:19:47.429: 05: [963900] * D=ciputra-com.mail.protection.outlook.com TTL=(0) A=[52.101.132.30] Fri 2023-12-15 10:19:47.429: 05: [963900] ---- End IP lookup results Fri 2023-12-15 10:19:47.431: 04: [963900] * Socket error 10054 - Connection was reset by the other side! Fri 2023-12-15 10:19:47.432: 04: [963900] SMTP session terminated (Bytes in/out: 724/925) Fri 2023-12-15 10:19:47.432: 01: ---------- Dan dari eventviewer windows juga ada error log sbb, apakah ada kaitannya? Level Date and Time Source Event ID Task Category Error 15/12/2023 10:54:28 Schannel 36874 None An TLS 1.2 connection request was received from a remote client application, but none of the cipher suites supported by the client application are supported by the server. The SSL connection request has failed. Mohon bantuan analisis nya ya pak. Terima kasih. Regards, Bonar The information and any attachments on this email may contain confidential information. It is intended for the use of the person or entity to which it is addressed only. If you have received it in error, please notify the sender immediately and delete this email afterwards. If you are not the intended recipient you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this email is strictly prohibited. Thank you.
