Captain Verify

Why does Gmail reject an email when both SPF and DKIM pass? Your email tool’s dashboard shows “sent.” Some of your Gmail recipients still never receive anything. The explanation lies in a code few people know how to read: 550 5.7.25. Error 550 5.7.25 means the sending IP has no valid PTR (reverse DNS) record, [...]

It is not because your proposal is enticing, that your content is good, that your email will necessarily be well received, and this in every sense of the word. Sometimes pampered, sometimes forgotten, deliverability plays a crucial role in an emailing campaign. To boost it as much as possible, here is our list of the [...]

After the email validation improves inbox placement, we stay here in the theme, but this time approaching in more detail the services which precisely offer to do so. If the treatment of addresses and their validity is essential, it is not easy to do manually. It is better to leave this task to experts. Discover [...]

Have you refined and tested your emails? Are you ready to send them? Not so quickly, there is still a crucial task to be forgotten, namely to validate the targeted addresses. Indeed, without this verification, their arrival safely, so in the reception box of your recipients, is not guaranteed. Here are the 4 essential steps [...]

A line in your DMARC report can show spf=fail even when the domain is still protected and the message still landed in the inbox. For each sending source, an aggregate DMARC report lists the SPF result, the DKIM result, and the disposition actually applied by the receiving server. A failing SPF paired with an aligned, [...]