On 12/19/23 10:19, aswanto via Mdaemon-L wrote:
Mohon bantuan dan solusinya terkait transkrip dibawah ini :


Tue 2023-12-19 07:12:50.559: 02: [09227540] <-- RCPT 
TO:<suki...@swadayagraha.com>
Tue 2023-12-19 07:12:50.561: 01: [09227540] Sender attempted to deliver message 
to unknown address
Tue 2023-12-19 07:12:50.561: 03: [09227540] --> 550 5.1.1 Recipient unknown 
<suki...@swadayagraha.com>
Tue 2023-12-19 07:12:50.561: 02: [09227540] <-- RCPT 
TO:<rony...@swadayagraha.com>
Tue 2023-12-19 07:12:50.561: 01: [09227540] Sender attempted to deliver message 
to unknown address
Tue 2023-12-19 07:12:50.561: 03: [09227540] --> 550 5.1.1 Recipient unknown 
<rony...@swadayagraha.com>
Tue 2023-12-19 07:12:50.561: 02: [09227540] <-- RCPT TO:<ir...@swadayagraha.com>
Tue 2023-12-19 07:12:50.573: 03: [09227540] --> 250 2.1.5 Recipient OK
Tue 2023-12-19 07:12:50.573: 02: [09227540] <-- RCPT 
TO:<suwaldiy...@swadayagraha.com>
Tue 2023-12-19 07:12:50.574: 01: [09227540] Sender attempted to deliver message 
to unknown address
Tue 2023-12-19 07:12:50.574: 03: [09227540] --> 550 5.1.1 Recipient unknown 
<suwaldiy...@swadayagraha.com>
Tue 2023-12-19 07:12:50.856: 01: [09227540] SMTP screening configuration 
requires closing this session


Sender kirim mail ke banyak alamat recipient yang salah sehingga memicu smtp screening memutus koneksi.

Dengan perkataan lain, smtp screeningnya terlalu ketat.
Bisa di adjust nilainya atau di non aktifkan.

http://mdaemon.dutaint.co.id/mdaemon/23.5/security--smtp_screen.html

Block IPs that cause this many failed RCPTs = 8

Agar sender bisa segera kirim mail lagi (resend), maka hapus sender IP (40.107.117.100) dari dynamic block list, atau tunggu 1 hari saat MDaemon akan otomatis menghapusnya.

http://mdaemon.dutaint.co.id/mdaemon/23.5/dynamic-screening_dynamic-blacklist.html




--
syafril
--------
Syafril Hermansyah
MDaemon-L Moderators, running MDaemon 23.5.1
Harap tidak cc: atau kirim ke private mail untuk masalah MDaemon.

It is not that I'm so smart. But I stay with the questions much longer.
        --- Albert Einstein


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