Blog
Email for SaaS teams
Practical guides on app email, deliverability and campaigns, from building LuneaMail.
24 October 2026 · 7 min read
Gmail and Yahoo bulk sender requirements for your app emails
Gmail and Yahoo's bulk sender requirements in plain words, from official sources: who they apply to, what app emails need, and what to check before launch.
24 October 2026 · 9 min read
How to send license key emails from your SaaS
What a license key email should contain, when to send it, a template you can copy, and the API call that sends it after payment.
24 October 2026 · 10 min read
Mailchimp alternatives for SaaS teams in 2026: honest comparison
Brevo, Loops, Customer.io, Resend, Kit, MailerLite, Postmark and LuneaMail compared for SaaS: prices, app email, builders, automations, AI.
24 October 2026 · 8 min read
SPF, DKIM and DMARC setup for SaaS founders: a 10-minute guide
Set up SPF, DKIM and DMARC for your SaaS domain with an email provider, avoid the DNS mistakes that break it, and check the result in Gmail.
24 October 2026 · 9 min read
Team invite email template: what to include and how to send it
A team invite email template you can copy, what every SaaS invitation needs, how long links should last, and how to send one with an API call.
Send your first email today
Every account starts with 14 days of Pro. No card needed.