Robert Brandl's Articles
How to Run an Email Authentication Check (SPF, DKIM, DMARC) All You Need is a Gmail Address
Are you wondering how to verify the authentication of your emails? The three key forms of email authentication—SPF,...
7 Free DMARC Monitoring Tools (Tried & Tested)
You likely already know that you need to set up a DMARC record. DMARC protects your domain against...
Mark Your Calendars: Top 15 Email Marketing Events in 2026
As an email marketer, finding an email marketing conference that strikes the right chord is frustrating. Most digital...
The 12 Best Free SMTP Servers: Mastering Email Deliverability with Zero Cost
Picture this: You've just launched your new website or mobile app. Sleek design, top-notch content, and you're ready...
8 Content Monetization Strategies For Creators: And How To Combine Them for Long-Term Income
For years, SEO and affiliate revenue carried the business at EmailTooltester. These monetization strategies worked really well… until...
The Paved Newsletter Sponsorship Marketplace: My Review as an Advertiser
Let’s face it, negotiating newsletter sponsorships one by one is a pain. That is why I started looking...
Advertising in Newsletters: 6 Top Ad Platforms You Should Know
Recently, I’ve invested quite a bit of time into newsletters ads, promoting EmailTooltester as an advertiser. In my...
GetResponse vs Mailchimp: Clash of the (Email) Titans
You’ve been doing some research for a newsletter service and noticed that Mailchimp and GetResponse keep popping up?...
What is Email Authentication? Best Practices & the White House’s Missteps
Email authentication is a process of verifying the identity of an email sender. This helps to ensure that...
