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SPF Recommendations:
If you send outgoing e-mails through FuseMail, we recommend that you set up an SPF record in your DNS. This SPF record should include the IP's you send outgoing e-mail from, the FuseMail IP's, and any other sources / applications that send email on behalf of your domain.
The record has to be setup as a TXT record within DNS.
Your SPF record may look something like this (and also include any other services that send email on behalf of your domain):
v=spf1 include:spf.mailanyone.net -all
Including spf.mailanyone.net in your SPF records will associate all FuseMail IP ranges with your domain in DNS, stating that FuseMail IPs are allowed to send email on behalf of your domain. You would also need to include any other entities allowed to send email on behalf of your domain.
More information on SPF in general can be found on the Open SPF website
Click here for information on SPF Syntax
If you normally send e-mail from IP 123.123.123.123 your SPF record should look like this:
“v=spf1 ip4:123.123.123.123 include:spf.infostorm.no -all”
or for customers not having other e-mail services from EVRY.
“v=spf1 ip4:123.123.123.123 include:spf.mailanyone.net -all”
The record has to be set up as a TXT version and not as an SPF version.
01.10.2019 13:58 (external edit)