Email marketing and transactional email blog
Practical guides on email marketing for SaaS, transactional email, deliverability and lifecycle automation.
November 6, 2026
Transactional vs marketing email: what is the difference?
Transactional email answers something a person did. Marketing email promotes something to a group. Here is how to tell them apart and why it matters.
November 6, 2026
SPF, DKIM and DMARC: how to authenticate your sending domain
What SPF, DKIM and DMARC each do, how they work together, and how to add them to your domain so your email reaches the inbox.
November 6, 2026
SaaS onboarding emails: a simple sequence that works
A five-email onboarding sequence for SaaS products: what to send, when to send it, and how to stop emailing people who already took the step.
November 6, 2026
Double opt-in vs single opt-in: which should you use?
Single opt-in adds people straight away. Double opt-in asks them to confirm first. Here is what each costs you and how to choose.