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SMTP: What are the SPF records to authorize?
SMTP: What are the SPF records to authorize?
Kévin Joffray avatar
Written by Kévin Joffray
Updated over a week ago

The SPF is to reduce the possibility of spoofing by publishing in the DNS a record (of type TXT) indicating which IP addresses are allowed or prohibited to send mail for the domain concerned (depending on the geographical area).

The value to include is :

France / Europe:



Below is an example SPF record where the value is inserted between v=spf1 (beginning of SPF field) and ~all (end of SPF field), the SPF record is type TXT:

v=spf1 ~all


  • If no SPF value exists for your domain, make sure that no other third-party service sends emails on your behalf before creating a SPF to declare Letsignit.

  • If an SPF record is already present for your domain, add it after the other records (separated by a space).

Remember to check the number of records in your SPF record. (Maximum limit of 10 records).

For any further questions, do not hesitate to contact our technical support team via this email address:


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