Carles Duarte Expert

Carles Duarte

Carles is an SEO and Digital Product professional with over 15 years of experience focused on data-driven growth and scaling marketing operations across tech.
Hands On Email Marketing

Best Email Marketing Software for Agencies

We spent a month running the same six client accounts through ten email platforms, from a regional e-commerce brand to a B2B SaaS startup to a local services franchise, and the platforms that survived were not always the ones with the most features. They were the ones that handled the unglamorous parts of agency work: client isolation, billing rolled up the right way, and reports a client could actually open without us holding their hand.

Hands On Email Marketing

Best Cold Email Marketing Software

After running identical outreach campaigns through 10 cold email platforms, the biggest surprise was how much inbox placement varied between tools using the same sending domain. Two platforms landed over 90% of our test messages in primary inboxes. Three others barely cracked 60%, despite offering similar warmup features on paper.

Best Newsletter Platforms
Best For Email Marketing

Best Newsletter Platforms

Newsletter platforms have split into three distinct camps, and picking the wrong one means rebuilding your entire subscriber relationship from scratch when you inevitably want features your current tool cannot provide.

Best For Transactional Emails

Best Enterprise Transactional Email Platforms

When your business sends millions of automated emails daily, the difference between a reliable platform and an unreliable one is measured in lost revenue and eroded customer trust. We evaluated seven enterprise-grade services to identify which ones actually deliver at scale.

Best Transactional Email App for Android
Best For Transactional Emails

Best Transactional Email App for Android

Monitoring transactional email infrastructure from an Android device ranges from surprisingly capable to laughably inadequate, depending entirely on which platform you chose. We tested eight services to find the ones worth your mobile attention.

Best Transactional Email Software
Best For Transactional Emails

Best Transactional Email Software

Your customers judge your reliability by whether their password resets and order confirmations arrive instantly, not by your marketing campaigns. We tested ten transactional email platforms to find the ones that actually deliver when it matters.