Помощь с gmail
Товарищи, добрый день.
Коллега столкнулась с проблемой отправки писем с корпоративной почты на мою gmail. Ей возвращается такая проблема
This is the mail system at host mail.yandex.net.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
You can find the the possible reasons of the undelivered message letter here:
https://yandex.com/support/mail-new/wizard/zout_send/not-got...
Please, do not reply to this message.
<....@Gmail.com>: host
gmail-smtp-in.l.google.com[2a00:1450:4010:c01::1b] said: 550-5.7.26 This
mail is unauthenticated, which poses a security risk to the 550-5.7.26
sender and Gmail users, and has been blocked. The sender must 550-5.7.26
authenticate with at least one of SPF or DKIM. For this message, 550-5.7.26
DKIM checks did not pass and SPF check for [import-servis.com] did
550-5.7.26 not pass with ip: [2a02:6b8:c02:900:1:45:d181:d101]. The sender
550-5.7.26 should visit 550-5.7.26
https://support.google.com/mail/answer/81126#authentication for 550 5.7.26
instructions on setting up authentication.
m25-20020a195219000000b004fe1393f184si5733687lfb.42 - gsmtp (in reply to
end of DATA command)
Reporting-MTA: dns; forward101b.mail.yandex.net
X-Yandex-Queue-ID: 97D1D60029
X-Yandex-Sender: rfc822; ....@import-servis.com
Arrival-Date: Thu, 17 Aug 2023 07:53:58 +0300 (MSK)
Final-Recipient: rfc822; ...@Gmail.com
Original-Recipient: rfc822;gureev.prof@gmail.com
Action: failed
Status: 5.7.26
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.26 This mail is unauthenticated, which poses a
security risk to the 550-5.7.26 sender and Gmail users, and has been
blocked. The sender must 550-5.7.26 authenticate with at least one of SPF
or DKIM. For this message, 550-5.7.26 DKIM checks did not pass and SPF
check for [import-servis.com] did 550-5.7.26 not pass with ip:
[2a02:6b8:c02:900:1:45:d181:d101]. The sender 550-5.7.26 should visit
550-5.7.26 https://support.google.com/mail/answer/81126#authentication for
550 5.7.26 instructions on setting up authentication.
m25-20020a195219000000b004fe1393f184si5733687lfb.42 - gsmtp
Куда копать? Что делать?