On 18.11.20 12:58, P.V.Anthony wrote:
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 -----------------

can you provide a few lines above and below this error message?

schools.gov.sg has MX records but no A or AAAA records.

Postfix is not allowing to send emails to schools.gov.sg.

What configuration should be done to make postfix send emails to schools.gov.sg?

Is A or AAAA records needed for a domain to receive emails? Would just MX records be enough?

A is needed for sending mail over ipv4, AAAA is needed for sending mail over
ipv6.
What's your inet_protocols settings?

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