Remote host said: 554 5.7.1 [P4] Message blocked due to spam content in the message

Discussion in 'Email Newsletters' started by Jason C, Apr 23, 2014.

  1. Jason C

    Jason C New Email

    Apr 23, 2014
    Likes Received:
    No matter what I do our emails are blocked. I checked our IP address - no blacklists. I checked our SPF - it's correct. I checked our domain - no errors reported. Please suggest possible fixes for "Remote host said: 554 5.7.1 [P4] Message blocked due to spam content in the message"

  2. popowich

    popowich EQ Forum Admin Staff Member

    Aug 12, 2008
    Likes Received:
    Hi Jason,

    Are you sending using your own mail server or a 3rd party email newsletter service?

    Have you checked your outgoing mail logs for signs of abuse?

    What is your outgoing IP address? Check your sender score.

    Check some full email headers to verify you are really sending email from the expected IP address and that is has matching forward & reverse DNS.

    Do the emails have attachments? Try removing any links and sending a test message.

    Do you make it easy to unsubscribe? Maybe too many users reported your email as spam.

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