> Langsung saja upgrade ke MD 20.x installer 32-bit, setelah selesai 
> dilanjutkan dengan upgrade > ke MD 20.x 64-bit.

Pagi Pak Syafril,
Kami sudah upgrade Mdaemon Ke versi v20.0.4 64 bit, tetapi kami masih mengalami 
gagal terima email dengan log sebagai berikut:

Sun 2021-08-22 12:55:19.174: ----------
Sun 2021-08-22 12:57:02.505: [01010369] Session 01010369; child 0001
Sun 2021-08-22 12:57:02.505: [01010369] Accepting SMTP connection from 
40.107.15.72:40193 to 117.102.89.155:25
Sun 2021-08-22 12:57:02.506: [01010369] --> 220 mail.mandau.id ESMTP MDaemon 
20.0.4; Sun, 22 Aug 2021 12:57:02 +0700
Sun 2021-08-22 12:57:02.679: [01010369] <-- EHLO 
EUR01-DB5-obe.outbound.protection.outlook.com
Sun 2021-08-22 12:57:02.679: [01010369] --> 250-mail.mandau.id Hello 
EUR01-DB5-obe.outbound.protection.outlook.com [40.107.15.72], pleased to meet 
you
Sun 2021-08-22 12:57:02.679: [01010369] --> 250-ETRN
Sun 2021-08-22 12:57:02.679: [01010369] --> 250-AUTH LOGIN CRAM-MD5 PLAIN
Sun 2021-08-22 12:57:02.679: [01010369] --> 250-8BITMIME
Sun 2021-08-22 12:57:02.679: [01010369] --> 250-ENHANCEDSTATUSCODES
Sun 2021-08-22 12:57:02.679: [01010369] --> 250 SIZE
Sun 2021-08-22 12:57:02.867: [01010369] <-- MAIL 
FROM:<ms.isat.noc....@ericsson.com> SIZE=284726
Sun 2021-08-22 12:57:02.868: [01010369] Performing PTR lookup 
(72.15.107.40.IN-ADDR.ARPA)
Sun 2021-08-22 12:57:02.893: [01010369] *  D=72.15.107.40.IN-ADDR.ARPA TTL=(60) 
PTR=[mail-eopbgr150072.outbound.protection.outlook.com]
Sun 2021-08-22 12:57:04.730: [01010369] *  No A/AAAA records found
Sun 2021-08-22 12:57:04.730: [01010369] *  MDaemon configured to drop 
connection on PTR record mismatch
Sun 2021-08-22 12:57:04.730: [01010369] ---- End PTR results
Sun 2021-08-22 12:57:04.730: [01010369] --> 501 5.7.0 Domain must resolve
Sun 2021-08-22 12:57:04.730: [01010369] SMTP session terminated (Bytes in/out: 
106/303)
Sun 2021-08-22 12:57:04.730: ----------

Mohon bantuannya kembali pak atas kendala kami ini

Terima kasih




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--[mdaemon-l]----------------------------------------------------------
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Versi terakhir: MDaemon 21.0.3, SecurityGateway 8.0.1


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