On 25/12/2020 13:01, Sagar Acharya via Exim-users wrote:
The central problem is however, that dig gives me the correct MX record and
nslookup doesn't. MX record exists, just exim is not able to find it.
I even tried this email id. It gives these prompts
...
dnslookup router called for [email protected]
domain = tutanota.com
tutanota.com in "*"? yes (matched "*")
DNS lookup of tutanota.com (MX) gave TRY_AGAIN
...
How does exim find DNS? Which command does it particularly use?
Exim uses a library routine called res_search().
It does not use a command (meaning en executable program).
The library accesses the system facilities for getting DNS results.
How those work are not under Exim's control, beyond the API of
the library.
--
Cheers,
Jeremy
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