On 11/29/22 09:11, Ivan Leonardo wrote:
Pak seandainya lambat spt ini, bukannya sender akan error MX atau domain not found ?
tapi semua sender mendapat error messagenya :
Connection refuse , padahal tidak ada di Log MD kalau direfuse oleh MD jd bingung


Yang refused bisa MDaemon atau Firewall (windows firewall, antivirus proxy atau hardware firewall).
Kelihatannya server Anda lambat responsenya.

$ nmap -A mx1.pttdp.com -Pn
Starting Nmap 7.80 ( https://nmap.org ) at 2022-11-29 09:16 WIB
Nmap scan report for mx1.pttdp.com (117.102.88.187)
Host is up (0.0053s latency).
rDNS record for 117.102.88.187: webmail.pttdp.com
Not shown: 989 filtered ports
PORT     STATE  SERVICE   VERSION
25/tcp   open   smtp
| fingerprint-strings:
|   GenericLines:
|     452 syntax error (connecting)
|     syntax error (connecting)
|     webmail.pttdp.com ESMTP Tue, 29 Nov 2022 09:18:25 +0700
|   GetRequest:
|     452 syntax error (connecting)
|     syntax error (connecting)
|     webmail.pttdp.com ESMTP Tue, 29 Nov 2022 09:18:30 +0700
|   Hello:
|     220 webmail.pttdp.com ESMTP Tue, 29 Nov 2022 09:18:04 +0700
|     5.5.4 Invalid or missing command argument(s)
|   Help:
|     452 syntax error (connecting)
|     webmail.pttdp.com ESMTP Tue, 29 Nov 2022 09:18:17 +0700
|   NULL:
|_    220 webmail.pttdp.com ESMTP Tue, 29 Nov 2022 09:18:04 +0700
|_smtp-commands: webmail.pttdp.com Hello mx1.pttdp.com [103.141.180.222], pleased to meet you, ETRN, AUTH LOGIN PLAIN, 8BITMIME, ENHANCEDSTATUSCODES,
--
syafril
--------
Syafril Hermansyah
MDaemon-L Moderators, running MDaemon 22.5.0 Beta RC1
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