please remove IP: from the gmail blacklist

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Jun 8, 2021, 9:28:46 PM6/8/21
Hi, the email sent by our company's domain names and IP: has been intercepted by Gmail, and dkim, dmarc, SPF, PTR, MX records have been configured, but the email sent to Users are still rejected, please remove our company domain name and IP: from the blacklist, thank you! text =


"v=DMARC1;p=quarantine;;ruf=mailto:do" text =

"v=spf1 a mx ip4: ip4: ip4: ip
4: ip4: ip4: ip4: ~all" text =



非权威应答: name = name = name = name = name = nameserver = nameserver = internet address = internet address = AAAA IPv6 address = 240e:1f:8001::143 AAAA IPv6 address = 240e:1f:8001::68
This is the mail system at host

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

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

<>: host[] said:
550-5.7.28 [ 1] Our system has detected an unusual rate
of 550-5.7.28 unsolicited mail originating from your IP address. To protect
our 550-5.7.28 users from spam, mail sent from your IP address has been
blocked. 550-5.7.28 Please visit 550-5.7.28 to review our 550
5.7.28 Bulk Email Senders Guidelines. x8si15585788pjk.150 - gsmtp (in reply
to end of DATA command)
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