09-28-2017, 12:00 AM
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#1 |
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Junior Member
Join Date: Mar 2017
Posts: 11
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ISPManager 5 | Exim returns EMail messages to antispam server
The situation is:
...But there are no EMail messages in mailboxes. Here is the simplest test ==== user@mx.hosting-provider.tld:~$ telnet mx.hosting-provider.tld 25 Trying 8.16.32.64... Connected to mx.hosting-provider.tld. Escape character is '^]'. 220 mx.hosting-provider.tld ESMTP Exim 4.82 Ubuntu Wed, 27 Sep 2017 12:01:17 +0300 ehlo mx.hosting-provider.tld 250-mx.hosting-provider.tld Hello mx.hosting-provider.tld [8.16.32.64] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING 250-AUTH PLAIN LOGIN CRAM-MD5 250-STARTTLS 250 HELP mail from: donald@trump.me 250 OK rcpt to: walter_white@domain.tld 250 Accepted data 354 Enter message, ending with "." on a line by itself Subject: Test Test. . 250 OK id=1dx8Dw-000CZC-KI quit 221 mx.hosting-provider.tld closing connection Connection closed by foreign host. ==== 2017-09-27 12:02:10 1dx8Dw-000CZC-KI <= donald@trump.me H=mx.hosting-provider.tld [8.16.32.64] P=esmtp S=1379 from <donald@trump.me> for walter_white@domain.tld 2017-09-27 12:02:10 1dx8Dw-000CZC-KI ** walter_white@domain.tld R=dnslookup T=remote_smtp: SMTP error from remote mail server after initial connection: host mx.anti-spam-operator.tld [16.32.64.128]: 550 Connection refused 2017-09-27 12:02:11 1dx8EN-000Caf-0B <= <> R=1dx8Dw-000CZC-KI U=Debian-exim P=local S=2298 from <> for donald@trump.me 2017-09-27 12:02:11 1dx8Dw-000CZC-KI Completed ==== Anti-spam operator's support confirm that messages are sent to and accepted by mx.hosting-provider.tld. I have logs from mx.anti-spam-operator.tld of transfer of messages from external servers, other domains, etc. (not from localhost to localhost like in the example above, it's a simplest example I've achieved). That logs are normal, here are first three and last five lines Wed 2017-09-27 10:57:15: Session 27; child 1 Wed 2017-09-27 10:57:13: Parsing message <c:\mdaemon\remoteq\pd50013882648.msg> Wed 2017-09-27 10:57:13: * From:... Wed 2017-09-27 10:57:13: Transfer Complete Wed 2017-09-27 10:57:15: <-- 250 OK id=1dx7DW-0009qG-Ea Wed 2017-09-27 10:57:15: --> QUIT Wed 2017-09-27 10:57:15: <-- 221 mx.hosting-provider.tld closing connection Wed 2017-09-27 10:57:15: SMTP session successful (Bytes in/out: 376/452  The result is the same: "R=dnslookup T=remote_smtp: SMTP error from remote mail server after initial connection: host mx.anti-spam-operator.tld [16.32.64.128]: 550 Connection refused". ==== You can copy to your favorite search system long requests: when the server is going to send a email exim makes a nslookup and get the higher priority (lower value) MX record and tries to send the mail to the asigned address MX records of equal priority are sorted by Exim into a random order. Exim then looks for address records for the host names obtained from MX or SRV records. When a host has more than one IP address, they are sorted into a random order, except that IPv6 addresses are always sorted before IPv4 addresses. ==== The question is predictable: how to make mx.hosting-provider.tld just to put messages in mailboxes (without making DNS requests, selecting MX and forward EMail messages)? I have been searching the answer about ten hours with no success. Last edited by Aleksandr; 09-28-2017 at 12:04 AM. |
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10-04-2017, 04:49 AM
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#4 |
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ISPsystem team
Join Date: Jul 2014
Posts: 443
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Hello Alexander
I am really sorry for not answering you for so long! It's great that you managed to resolve the issue yourself. In urgent cases, please contact us at sales@ispsystem.com My colleagues and me will be happy to help you! |
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