You’ve spent so much time protecting the sending reputation of your email program, but what about your corporate environment? Doesn’t it deserve the same type of anti-fraud methods you’ve implemented for your marketing and/or transactional emails? One way you can be an anti-fraud champion is by educating your company about SPF, DKIM, and DMARC.

Setting up a DMARC record for any sending environment should follow the same basic enforcement principles - start in monitor mode, progress to quarantine...

I remember when I got hold of my first DMARC reports, almost a year ago. Finally, something new and shiny for me to play with! If you’re about to encounter the same experience, then here’s what you can expect:

Aggregate Reports (RUA)

• The participating Mailbox Providers will send daily reports via email, HTTP, or HTTPS based on what you defined in the “rua” tag.
• The reports sent by email will be MIME formatted messages. It will include an XML file contained in a zip file.
• The reports include data...

Can setting up a DMARC record really be that easy? Absolutely! Remember, it’s only one line of text. Honestly, it’ll probably take you more time finding your DNS and corporate email administrators, than creating a DMARC record. 

If you’re interested in creating a DMARC record, chances are you already know the prerequisites. Just in case, here’s a reminder:

1. Verify Domain Alignment (aka Identifier Alignment) - Open the email headers from the emails you send. Identify the (sub)domain listed in the...

Knowing how many IP addresses to send from can be difficult without proper planning. The first thing you should look at is what’s available to you, as there may be some restrictions in place. Perhaps you only have a budget for 1 IP address. If you’re using an ESP, perhaps you only get 1 for transactional emails and 1 for marketing emails. There’s nothing wrong with these approaches, as long as you’re experiencing high inbox placement rates and high Sender Scores. However, if you feel that you...

Did you know that if you add a DMARC record, you might have to update your SPF record? I attended the Online Trust Alliance (OTA) Email Authentication & DMARC Training class a few months ago and learned some great best practice recommendations. Although there has been a lot of buzz lately about DMARC, like Yahoo! mail being DMARC compliant, some of the tips below haven’t been wide spread and so I thought I would share.

As a general rule prior to DMARC, senders should authenticate their emails...