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Hata:

Alıntı
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I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

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<dozsarac@antra.com.tr>: host mx-in01.natrohost.com[89.19.2.82] said: 550 5.7.1
5.45.198.247 does not pass SPF checks for rotaharita.net
(c02005db-70fc-11eb-90ca-9f09cfd45c14) / rotaharita.net icin 5.45.198.247
adresi SPF kayitlarina gore yetkili degil.
(c02005db-70fc-11eb-90ca-9f09cfd45c14) (fail) see http://wiki.halon.se/SPF
[SPF-01] (in reply to end of DATA command)
İletim raporu:
Reporting-MTA: dns; forward104j.mail.yandex.net
X-Yandex-Queue-ID: 1680E4A0D95
X-Yandex-Sender: rfc822; info@rotaharita.net
Arrival-Date: Wed, 17 Feb 2021 11:47:22 +0300 (MSK)

Final-Recipient: rfc822; dozsarac@antra.com.tr
Original-Recipient: rfc822;dozsarac@antra.com.tr
Action: failed
Status: 5.7.1
Remote-MTA: dns; mx-in01.natrohost.com
Diagnostic-Code: smtp; 550 5.7.1 5.45.198.247 does not pass SPF checks for
rotaharita.net (c02005db-70fc-11eb-90ca-9f09cfd45c14) / rotaharita.net icin
5.45.198.247 adresi SPF kayitlarina gore yetkili degil.
(c02005db-70fc-11eb-90ca-9f09cfd45c14) (fail) see http://wiki.halon.se/SPF
[SPF-01]