On 04/08/20 11.47, Irwan R Jazir via mdaemon-l wrote:
> kami ada kendala pengiriman ke Gmail, error 550-5.7.26 message has been 
> blocked


> Tue 2020-08-04 11:20:17: <-- 550-5.7.26 This message does not have 
> authentication information or fails to
> Tue 2020-08-04 11:20:17: <-- 550-5.7.26 pass authentication checks.


mail ditolak oleh server google.com karena dikirim melalui host yang tidak masuk
dalam daftar SPF host atau tidak punya DKIM.


> Tue 2020-08-04 11:21:02: Resolving A record for [smtp..biz.net.id] 


Ini salah isi smarthost, kelebihan . (titik), harusnya smtp.biz.net.id.

http://mdaemon.dutaint.co.id/mdaemon/20.0/index.html?default-domain-and-servers_delivery.htm


> SPF domain kami mail.mandau.id:
> v=spf1 +a +mx +ip4:112.78.191.82 +ip4:117.102.89.155 +ip4:198.46.134.245 
> +ip4:184.170.148.5 +ip4:202.74.236.99 +ip4:202.74.238.130 +ip4:139.99.6.57 
> +ip4:158.69.40.68 ~all


mail.mandau.id adalah nama host, nama (mail) domainnya mandau.id.
Host tidak punya MX record, kalau mail domain punya MX record.

SPF domain mandau.id tidak dikenali karena salah satu Name Server (authoritative
DNS server) domain mandau.id tidak bisa dihubungi.
Hubungi DNS hoster untuk perbaikkan.


$ host -t ns mandau.id
mandau.id name server ns101.nsresponse.com.
mandau.id name server ns100.nsresponse.com.

$ host -t txt mandau.id ns100.nsresponse.com
host: couldn't get address for 'ns100.nsresponse.com': not found

kelihatannya salah pointing DNS

$ whois mandau.id
Sponsoring Registrar Contact Email:[email protected]
Name Server:ns102.supersiteserver.com
Name Server:ns103.supersiteserver.com

$ host -t txt mandau.id ns102.supersiteserver.com
Using domain server:
Name: ns102.supersiteserver.com
Address: 52.52.143.222#53
Aliases:

mandau.id descriptive text "v=spf1 +a +mx +ip4:112.78.191.82 +ip4:117.102.89.155
+ip4:198.46.134.245 +ip4:184.170.148.5 +ip4:202.74.236.99 +ip4:202.74.238.130
+ip4:139.99.6.57 +ip4:158.69.40.68 ~all"

$ host -t txt mandau.id ns103.supersiteserver.com
Using domain server:
Name: ns103.supersiteserver.com
Address: 54.165.176.30#53
Aliases:

mandau.id descriptive text "v=spf1 +a +mx +ip4:112.78.191.82 +ip4:117.102.89.155
+ip4:198.46.134.245 +ip4:184.170.148.5 +ip4:202.74.236.99 +ip4:202.74.238.130
+ip4:139.99.6.57 +ip4:158.69.40.68 ~all"

Juga DNS SPF record sebaiknya diperbaiki, mestinya ada tambahan smarthost
smtp.biz.net.id.

v=spf1 +a +mx +ip4:112.78.191.82 +ip4:117.102.89.155 +ip4:198.46.134.245
+ip4:184.170.148.5 +ip4:202.74.236.99 +ip4:202.74.238.130 +ip4:139.99.6.57
+ip4:158.69.40.68 include:smtp.biz.net.id -all






-- 
syafril
-------
Syafril Hermansyah



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