Email messages recognized as SPAM

Created:

2016-12-12 03:47:38 UTC

Modified:

2017-08-08 13:21:16 UTC

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Email messages recognized as SPAM

Applicable to:

  • Plesk for Linux

Symptoms

  1. Email messages sent from @example.com accounts to GMail, Yahoo, Yandex or any other mailboxes recognised as SPAM. The following message can be found in email message header:

    Received-SPF: neutral (google.com: 203.0.113.2 is neither permitted nor denied by best guess record for domain of john.doe@example.com) client-ip=203.0.113.2;
  2. There is no SPF record for example.com domain:

    # nslookup -q=txt example.com
    Server: 8.8.8.8
    Address: 8.8.8.8#53

    Non-authoritative answer:
    *** Can't find example.com: No answer
  3. If check DNS records in Plesk > Domains > example.com >DNS Settings, SPF record exists.

Cause

It is not possible to get SPF record for the domain globally.

Resolution

Make sure that it is possible to get SPF record for the domain globally. Contact DNS provider to make sure that SPF record is configured.

Additionally, consider implementing DKIM and DMARC protection.

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