Author Topic: Emails not sent to gmail, hotmail & yahoo  (Read 4737 times)

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Emails not sent to gmail, hotmail & yahoo
« on: July 08, 2019, 09:40:57 AM »
My mail server is working fine with other emails(business emails) but emails is not sent to gmail, hotmail & yahoo i always receive "Undelivered Mail Returned to Sender"
I have configured DKIM and SPF also CSF firewall is off for gmail i receive:
Code: [Select]
host[] said:
    550-5.7.1 [       7] Our system has detected that this message
    is 550-5.7.1 likely unsolicited mail. To reduce the amount of spam sent to
    Gmail, 550-5.7.1 this message has been blocked. Please visit 550-5.7.1 550 5.7.1  for
    more information. f6si10730560wmf.170 - gsmtp (in reply to end of DATA
For hotmail:
Code: [Select]
host[] said: 550 5.7.1
    Unfortunately, messages from [] weren't sent. Please contact
    your Internet service provider since part of their network is on our block
    list (S3150). You can also refer your provider to
    [] (in reply to MAIL
    FROM command)
Any suggestions?

Re: Emails not sent to gmail, hotmail & yahoo
« Reply #1 on: July 08, 2019, 03:15:22 PM »
It seems google and hotmail has blocked you from sending emails to their network, try contacting amazon on what the issue is, this is not a cwp issue.