Selamat pagi Pak Syafril.
mohon bantuannya perihal message undelivered.
berikut log SMTP-OUTnya

REMOTE message: pd3501000354944.msg
  *  Session 08909559; child 0001
  *  From: keua.ad...@koyorad.co.id
  *  To: ter...@pujilestari.com
  *  Subject: Re: Konfirmasi  PT. KOYORAD INDO - PT.Puji Lestari Purnama
  *  Message-ID: <ee280cc8-5aa9-4a78-8a61-c6790d6f3...@koyorad.co.id>
  *  Size: 37218; <xxxxxxxxxxxxxxxxxxxxxxxx\pd3501000354944.msg>
  *  Route slip host: pujilestari.com
  *  Route slip port: 25
  Resolving TXT record for _mta-sts.pujilestari.com (DNS Server:
202.150.128.65)...
  No MTA-STS TXT record found
  Resolving MX record for pujilestari.com (DNS Server: 202.150.128.65)...
  *  P=010 S=001 D=pujilestari.com TTL=(5) MX=[mx1.dewaspamguard.com]
  *  P=020 S=000 D=pujilestari.com TTL=(5) MX=[mx2.dewaspamguard.com]
  Attempting SMTP connection to mx1.dewaspamguard.com
  Resolving A record for mx1.dewaspamguard.com (DNS Server: 202.150.128.65)...
  *  D=mx1.dewaspamguard.com TTL=(5) A=[103.152.243.48]
  *  D=mx1.dewaspamguard.com TTL=(5) A=[103.152.242.171]
  Randomly picked 103.152.242.171 from list of possible hosts
  Attempting SMTP connection to 103.152.242.171:25
  Waiting for socket connection...
  *  Connection established 192.168.32.9:62157 --> 103.152.242.171:25
  Waiting for protocol to start...
  <-- 220 titan.dewaspamguard.com ESMTP Exim 20240521.1001 Wed, 31 Jul
2024 00:42:53 +0000
  --> EHLO mail.koyorad.co.id
  <-- 250-titan.dewaspamguard.com Hello mail.koyorad.co.id [202.150.141.187]
  <-- 250-SIZE
  <-- 250-8BITMIME
  <-- 250-DSN
  <-- 250-VRFY
  <-- 250-CHUNKING
  <-- 250-STARTTLS
  <-- 250 HELP
  --> STARTTLS
  <-- 220 TLS go ahead
  SSL negotiation successful (TLS 1.2, 2048 bit key exchange, 128 bit
AES encryption)
  SSL certificate is not valid (does not match mx1.dewaspamguard.com)
  --> EHLO mail.koyorad.co.id
  <-- 250-titan.dewaspamguard.com Hello mail.koyorad.co.id [202.150.141.187]
  <-- 250-SIZE
  <-- 250-8BITMIME
  <-- 250-DSN
  <-- 250-VRFY
  <-- 250-CHUNKING
  <-- 250 HELP
  --> MAIL From:<prvs=19429190d7=keua.ad...@koyorad.co.id> SIZE=37218
  <-- 250 OK
  --> RCPT To:<s...@pujilestari.com>
  <-- 250 Accepted
  --> RCPT To:<ter...@pujilestari.com>
  <-- 250 Accepted
  --> DATA
  <-- 354 Enter message, ending with "." on a line by itself
  Sending <xxxxxxxxxxxxxxxxxxxxxxxx\pd3501000354944.msg> to [103.152.242.171]
  Transfer Complete
  <-- 550 Messages should have one or no Cc headers, not 2.
  --> QUIT
-- 
--[mdaemon-l]----------------------------------------------------------
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