Dear Pak Syafril,

>
> Mestinya transaksi ini ada di smtp-in log.
> Errornya mengindikasikan DNS resolver yang digunakan MDaemon terkadang
> tidak berjalan/resolve dengan benar.
>
> Di smtp-in log mestinya ada informasi DNS IP mana yang digunakan.
> ww.musica-studios.co.id <http://www.musica-studios.co.id>


berikut ini log errornya:

Wed 2023-04-05 10:37:55.790: 05: [712770] Session 712770; child 0001
Wed 2023-04-05 10:37:55.790: 05: [712770] Accepting SMTP connection from
209.85.216.54:35667 to 103.4.165.123:25
Wed 2023-04-05 10:37:55.792: 03: [712770] --> 220 mail.musica-studios.co.id
ESMTP MDaemon 19.5.3; Wed, 05 Apr 2023 10:37:55 +0700
Wed 2023-04-05 10:37:55.963: 02: [712770] <-- EHLO mail-pj1-f54.google.com
Wed 2023-04-05 10:37:55.964: 09: [712770] Performing SPF lookup (
mail-pj1-f54.google.com / 209.85.216.54)
Wed 2023-04-05 10:37:56.040: 09: [712770] *  Result: none; no SPF record in
DNS
Wed 2023-04-05 10:37:56.040: 09: [712770] ---- End SPF results
Wed 2023-04-05 10:37:56.047: 05: [712770] Performing IP lookup (
mail-pj1-f54.google.com)
Wed 2023-04-05 10:37:56.107: 05: [712770] *  D=mail-pj1-f54.google.com
TTL=(60) A=[209.85.216.54]
Wed 2023-04-05 10:37:56.107: 05: [712770] ---- End IP lookup results
Wed 2023-04-05 10:37:56.108: 01: [712770] EHLO/HELO response delayed 10
seconds
Wed 2023-04-05 10:38:06.108: 03: [712770] --> 250-mail.musica-studios.co.id
Hello mail-pj1-f54.google.com [209.85.216.54], pleased to meet you
Wed 2023-04-05 10:38:06.108: 03: [712770] --> 250-ETRN
Wed 2023-04-05 10:38:06.108: 07: [712770] Location Screening hiding AUTH
from country United States
Wed 2023-04-05 10:38:06.108: 03: [712770] --> 250-8BITMIME
Wed 2023-04-05 10:38:06.108: 03: [712770] --> 250-ENHANCEDSTATUSCODES
Wed 2023-04-05 10:38:06.108: 03: [712770] --> 250-STARTTLS
Wed 2023-04-05 10:38:06.108: 03: [712770] --> 250 SIZE
Wed 2023-04-05 10:38:06.278: 02: [712770] <-- STARTTLS
Wed 2023-04-05 10:38:06.278: 03: [712770] --> 220 2.7.0 Ready to start TLS
Wed 2023-04-05 10:38:06.636: 01: [712770] SSL negotiation successful (TLS
1.2, 1024 bit key exchange, 128 bit  encryption)
Wed 2023-04-05 10:38:06.806: 02: [712770] <-- EHLO mail-pj1-f54.google.com
Wed 2023-04-05 10:38:06.806: 09: [712770] Performing SPF lookup (
mail-pj1-f54.google.com / 209.85.216.54)
Wed 2023-04-05 10:38:06.823: 09: [712770] *  Result: none; no SPF record in
DNS
Wed 2023-04-05 10:38:06.823: 09: [712770] ---- End SPF results
Wed 2023-04-05 10:38:06.830: 05: [712770] Performing IP lookup (
mail-pj1-f54.google.com)
Wed 2023-04-05 10:38:06.832: 05: [712770] *  D=mail-pj1-f54.google.com
TTL=(59) A=[209.85.216.54]
Wed 2023-04-05 10:38:06.832: 05: [712770] ---- End IP lookup results
Wed 2023-04-05 10:38:06.832: 03: [712770] --> 250-mail.musica-studios.co.id
Hello mail-pj1-f54.google.com [209.85.216.54], pleased to meet you
Wed 2023-04-05 10:38:06.832: 03: [712770] --> 250-ETRN
Wed 2023-04-05 10:38:06.832: 07: [712770] Location Screening hiding AUTH
from country United States
Wed 2023-04-05 10:38:06.832: 03: [712770] --> 250-8BITMIME
Wed 2023-04-05 10:38:06.832: 03: [712770] --> 250-ENHANCEDSTATUSCODES
Wed 2023-04-05 10:38:06.832: 03: [712770] --> 250 SIZE
Wed 2023-04-05 10:38:07.001: 02: [712770] <-- MAIL FROM:<[email protected]>
SIZE=738083
Wed 2023-04-05 10:38:07.007: 05: [712770] Performing PTR lookup
(54.216.85.209.IN-ADDR.ARPA)
Wed 2023-04-05 10:38:07.027: 05: [712770] *  D=54.216.85.209.in-addr.arpa
TTL=(218) PTR=[mail-pj1-f54.google.com]
Wed 2023-04-05 10:38:27.026: 04: [712770] *  DNS: 20 second wait for DNS
response exceeded (DNS Server: 27.123.220.220)
Wed 2023-04-05 10:38:47.025: 04: [712770] *  DNS: 20 second wait for DNS
response exceeded (DNS Server: 27.123.220.221)
Wed 2023-04-05 10:38:47.025: 05: [712770] *  No A/AAAA records found
Wed 2023-04-05 10:38:47.025: 05: [712770] *  MDaemon configured to drop
connection on PTR record mismatch
Wed 2023-04-05 10:38:47.025: 05: [712770] ---- End PTR results
Wed 2023-04-05 10:38:47.025: 03: [712770] --> 501 5.7.0 Domain must resolve
Wed 2023-04-05 10:38:47.026: 04: [712770] SMTP session terminated (Bytes
in/out: 957/1450)
Wed 2023-04-05 10:38:47.026: 01: ----------

-- 
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