GPT on Question 32, Sep 13

Short answer

Use MailerLite if you want an affordable, straightforward default for newsletters, lead magnets, landing pages, and basic automations. It’s usually the best fit for a solo bootstrapped founder who doesn’t yet have specialized requirements.

Choose something else if:

• •Kit — You’re building a creator-led business, paid newsletter, course, or audience-based brand.
• •Loops — You run a SaaS and want polished lifecycle emails such as onboarding, activation, and churn prevention.
• •Klaviyo — You operate an ecommerce store, especially on Shopify.
• •Brevo — You need high sending volume, CRM features, or marketing and transactional email in one system.
• •Buttondown — You only want a simple, writing-focused newsletter.
• •Customer.io — You need sophisticated event-triggered messaging and already have engineering resources.

My practical recommendation

Start with MailerLite, unless you clearly fit one of the categories above. Prioritize:

• 1.Easy forms and landing pages
• 2.A welcome sequence
• 3.Tags or segments
• 4.Simple exports so your subscriber list isn’t locked in
• 5.Authentication of your domain with SPF, DKIM, and ideally DMARC

Avoid choosing based on dozens of hypothetical automation features. Switching platforms is manageable while your list is small.

For a software product, consider keeping transactional email—password resets, receipts, account alerts—separate through Postmark, Resend, or Amazon SES. That protects critical messages from marketing-email deliverability issues.

Also include a physical mailing address, clear unsubscribe links, and accurate sender information to comply with the US CAN-SPAM Act. Platform pricing and free-tier limits change frequently, so verify current limits before committing.