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In this example, the SPF record which is authorized to sent emails on behalf of mosamuseum.com is:

v=spf1 ip4:192.28.148.112 ip6:2a05:d018:e3:8c00:bb71:dea8:8b83:851e include:mailgateway.xxx.com -all

SPF - Procedure to follow

• SecuTix provides a list of authorized servers used to send emails on behalf of the institution mosamuseum
• The mosamuseum institution publishes a corresponding SPF record in its DNS
  • create a SPF record:

• • Publish it in DNS

1. 1. 1. Open the DNS manager
      2. Log in to your domain account at your domain host provider
      3. Create a new TXT record in the TXT (text) section
      4. Set the Host field to the name of your domain
      5. Fill the TXT Value field with your SPF record (i.e. “v=spf1 ... include: exampledomain.com -all”)
      6. Specify the Time To Live (TTL), enter 3600 or leave the default
      7. Click “Save” or “Add Record” to publish the SPF TXT record into your DNS

Your new SPF record can take up to 48 hours to go into effect. For help adding TXT records, contact your domain administrator.

• Check your SPF record. Several Web sites exist:
  • https://mxtoolbox.com/spf.aspx
  • https://www.dmarcanalyzer.com/fr/spf-4/checker/
  • https://www.kitterman.com/spf/validate.html

Setup DKIM

Introduction to DKIM

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