Dear Pak Syafril, Ada salah satu email dari luar yang tidak bisa diterima user kami, berikut lognya :
Tue 2016-08-02 08:15:16: Session 2876; child 1; thread 0 Tue 2016-08-02 08:15:16: Accepting SMTP connection from [104.47.124.87:27787] to [192.168.0.251:25] Tue 2016-08-02 08:15:16: --> 220 mail.ptist.co.id ESMTP MDaemon 11.0.1; Tue, 02 Aug 2016 08:15:16 +0700 Tue 2016-08-02 08:15:16: <-- EHLO APC01-HK2-obe.outbound.protection.outlook.com Tue 2016-08-02 08:15:16: --> 250-mail.ptist.co.id Hello APC01-HK2-obe.outbound.protection.outlook.com, pleased to meet you Tue 2016-08-02 08:15:16: --> 250-ETRN Tue 2016-08-02 08:15:16: --> 250-AUTH=LOGIN Tue 2016-08-02 08:15:16: --> 250-AUTH LOGIN CRAM-MD5 Tue 2016-08-02 08:15:16: --> 250-8BITMIME Tue 2016-08-02 08:15:16: --> 250 SIZE 15000000 Tue 2016-08-02 08:15:16: <-- MAIL FROM:<in...@cmwi.co.id> SIZE=26662 Tue 2016-08-02 08:15:16: Performing PTR lookup (87.124.47.104.IN-ADDR.ARPA) Tue 2016-08-02 08:15:16: * D=87.124.47.104.IN-ADDR.ARPA TTL=(60) PTR=[mail-hk2apc01on0087.outbound.protection.outlook.com] Tue 2016-08-02 08:15:16: * Gathering A records... Tue 2016-08-02 08:15:16: * D=mail-hk2apc01on0087.outbound.protection.outlook.com TTL=(10) A=[104.47.124.87] Tue 2016-08-02 08:15:16: ---- End PTR results Tue 2016-08-02 08:15:16: Performing IP lookup (APC01-HK2-obe.outbound.protection.outlook.com) Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[104.47.124.43] Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[104.47.124.44] Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[104.47.124.45] Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[104.47.124.46] Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[104.47.124.47] Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[104.47.124.48] Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[104.47.124.49] Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[65.55.88.207] Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[104.47.124.40] Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[104.47.124.41] Tue 2016-08-02 08:15:17: * D=APC01-HK2-obe.outbound.protection.outlook.com TTL=(10) A=[104.47.124.42] Tue 2016-08-02 08:15:17: ---- End IP lookup results Tue 2016-08-02 08:15:17: Performing IP lookup (cmwi.co.id) Tue 2016-08-02 08:15:17: * D=cmwi.co.id TTL=(480) A=[128.199.119.158] Tue 2016-08-02 08:15:17: * P=000 S=000 D=cmwi.co.id TTL=(60) MX=[cmwi-co-id.mail.protection.outlook.com] Tue 2016-08-02 08:15:17: * D=cmwi.co.id TTL=(480) A=[128.199.119.158] Tue 2016-08-02 08:15:17: ---- End IP lookup results Tue 2016-08-02 08:15:17: --> 250 <in...@cmwi.co.id>, Sender ok Tue 2016-08-02 08:15:17: <-- RCPT TO:<kawas...@ptist.co.id> Tue 2016-08-02 08:15:17: --> 250 <kawas...@ptist.co.id>, Recipient ok Tue 2016-08-02 08:15:17: <-- RCPT TO:<k...@ptist.co.id> Tue 2016-08-02 08:15:17: --> 250 <k...@ptist.co.id>, Recipient ok Tue 2016-08-02 08:15:17: <-- DATA Tue 2016-08-02 08:15:17: Creating temp file (SMTP): d:\mdaemon\queues\temp\md50000000367.tmp Tue 2016-08-02 08:15:17: --> 354 Enter mail, end with <CRLF>.<CRLF> Tue 2016-08-02 08:15:17: Message size: 20854 bytes Tue 2016-08-02 08:15:17: Performing DKIM lookup Tue 2016-08-02 08:15:17: * File: d:\mdaemon\queues\temp\md50000000367.tmp Tue 2016-08-02 08:15:17: * Message-ID: kl1pr01mb134910416095deb4d1188c918e...@kl1pr01mb1349.apcprd01.prod.exchangel abs.com Tue 2016-08-02 08:15:26: * Signature (1): ;v=1;a=rsa-sha256;c=relaxed/relaxed;d=cmwindonesia.onmicrosoft.com;s=selecto r1-cmwi-co-id;b h=<not logged>; Tue 2016-08-02 08:15:26: * Verification result: [0] good Tue 2016-08-02 08:15:26: * Result: pass Tue 2016-08-02 08:15:26: ---- End DKIM results Tue 2016-08-02 08:15:26: Performing VBR certification (Domain: cmwindonesia.onmicrosoft.com, Auth: DKIM) Tue 2016-08-02 08:15:26: * File: d:\mdaemon\queues\temp\md50000000367.tmp Tue 2016-08-02 08:15:26: * Message-ID: kl1pr01mb134910416095deb4d1188c918e...@kl1pr01mb1349.apcprd01.prod.exchangel abs.com Tue 2016-08-02 08:15:26: * Certifier (trusted): vbr.emailcertification.org ... Tue 2016-08-02 08:15:26: * Querying: cmwindonesia.onmicrosoft.com._vouch.vbr.emailcertification.org ... Tue 2016-08-02 08:15:36: * DNS: 10 second wait for DNS response exceeded Tue 2016-08-02 08:15:36: * D=cmwindonesia.onmicrosoft.com._vouch.vbr.emailcertification.org TTL=(5) A=[36.86.63.180] Tue 2016-08-02 08:15:36: * Certification record: Tue 2016-08-02 08:15:36: * Certification result: message not certified Tue 2016-08-02 08:15:36: ---- End VBR results Tue 2016-08-02 08:15:36: Passing message through AntiVirus (Size: 20854)... Tue 2016-08-02 08:15:36: * Message is clean (no viruses found) Tue 2016-08-02 08:15:36: ---- End AntiVirus results Tue 2016-08-02 08:15:37: Socket error sending response to DATA Tue 2016-08-02 08:15:37: * Winsock Error 10054 Connection was reset by the other side! Tue 2016-08-02 08:15:37: SMTP session terminated (Bytes in/out: 21016/409) Hal tersebut diatas kenapa ya ? Terima kasih atas bantuan dan solusinya. 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