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How to Optimize Your SPF Record

Written by Julia G

In this post, we will tell you how you can optimize a bloated SPF record to make the SPF authentication pass. This primarily concerns delivery services that send emails for their customers and ask their customers to include an SPF record to their domain’s DNS. But it can be also useful to senders publishing their own SPF records. What is …

Email Authentication: the Ultimate Guide

Written by Julia G

Email authentication is becoming a big deal. Authentication allows the mailbox provider to confirm that the sender is the one who he pretends to be. If authentication fails, the emails are likely to be filtered as spam or rejected.