P.V.Anthony: > Hi, > > Postfix is giving the following error message. > > -------- start --------------- > Host or domain name not found. Name > service error for name=schools.gov.sg type=AAAA: Host found but no data > record of requested type > -------- end ----------------- > > schools.gov.sg has MX records but no A or AAAA records. > > Postfix is not allowing to send emails to schools.gov.sg.
Postfix delivers mail to schools.gov.sg just fine, as demonstrated with "sendmail -bv [email protected]". in the example below it chose mail4a.schools.gov.sg with IPv4 address 166.121.177.66. Wietse This is the mail system at host spike.porcupine.org. Enclosed is the mail delivery report that you requested. The mail system <[email protected]>: delivery via mail4a.schools.gov.sg[166.121.177.66]:25: 250 recipient <[email protected]> ok --4CblFG4j4SzJrNs.1605708904/spike.porcupine.org Content-Description: Delivery report Content-Type: message/delivery-status Reporting-MTA: dns; spike.porcupine.org X-Postfix-Queue-ID: 4CblFG4j4SzJrNs X-Postfix-Sender: rfc822; [email protected] Arrival-Date: Wed, 18 Nov 2020 09:14:58 -0500 (EST) Final-Recipient: rfc822; [email protected] Original-Recipient: rfc822;[email protected] Action: deliverable Status: 2.0.0 Remote-MTA: dns; mail4a.schools.gov.sg Diagnostic-Code: smtp; 250 recipient <[email protected]> ok --4CblFG4j4SzJrNs.1605708904/spike.porcupine.org Content-Description: Message Headers Content-Type: text/rfc822-headers Content-Transfer-Encoding: 8bit Return-Path: <[email protected]> Received: by spike.porcupine.org (Postfix, from userid 1001) id 4CblFG4j4SzJrNs; Wed, 18 Nov 2020 09:14:58 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=porcupine.org; s=dktest; t=1605708898; bh=frcCV1k9oG9oKj3dpUqdJg1PxRT2RSN/XKdLCPjaYaY=; h=From:Subject:To:Message-Id:Date; b=TvTPczu7UdgObP3hWO5oCfYspAYki7Rs5ff/We2EqnNQbEfgOR2lARy3jnCv29Hv7 elWqyzANxpcV43pj4lyMrVPyV48ci9EqwkhCo6W05BwYXa8zH19qdjOiToemhx7LPV JwZvK+mKtBChZ5JKcE20tCm9uclVghyMV8RfJvlU= From: [email protected] Subject: probe To: [email protected] Message-Id: <[email protected]> Date: Wed, 18 Nov 2020 09:14:58 -0500 (EST) --4CblFG4j4SzJrNs.1605708904/spike.porcupine.org--
