I'm building a small SaaS and need reliable product and account emails.

Absolutely — for a small SaaS, “reliable product and account emails” usually means two things:

1. Transactional reliability: signups, password resets, receipts, invites, alerts, etc. should land consistently.
2. Brand/account hygiene: emails should come from a domain you control, be authenticated, and be easy to manage.

Here’s a solid setup:

1) Use a dedicated email provider for app emails

For SaaS product emails, use a transactional email service such as:

• Postmark — excellent deliverability and simplicity
• SendGrid — flexible, widely used
• Mailgun — good API, more advanced
• Amazon SES — cheapest, more setup/ops
• Resend — modern developer experience

Recommendation:

• If you want easiest reliability: Postmark
• If you want lowest cost and don’t mind setup: Amazon SES
• If you want a modern dev workflow: Resend

2) Separate product emails from account inboxes

Use different purposes/domains:

• Transactional app email: no-reply@yourapp.com, support@yourapp.com, billing@yourapp.com
• Human inboxes: hello@yourapp.com, support@yourapp.com

This keeps app traffic from interfering with personal/customer support mail.

3) Authenticate your domain

You should set up:

• SPF
• DKIM
• DMARC

This greatly improves deliverability and reduces spoofing.

4) Use a real sending domain

Don’t send from Gmail/Outlook for the SaaS itself.
Instead use something like:

• yourapp.com
• or a subdomain like mail.yourapp.com for transactional mail

A subdomain can help isolate reputation.

5) Set up inbound handling for account emails

For support and account emails, you can either:

• use a shared inbox in Google Workspace or Microsoft 365
• forward via Cloudflare Email Routing, Fastmail, or Zoho Mail
• use a helpdesk like Help Scout, Zendesk, or Front

For a small SaaS, a common setup is:

• support@yourapp.com → helpdesk or shared inbox
• billing@yourapp.com → monitored inbox
• security@yourapp.com → monitored and high priority

6) Watch the content types

Keep transactional emails:

• concise
• expected
• triggered by user action
• free of promotional content

Marketing emails should go through a separate system or sending stream if possible.

7) Basic email checklist

Make sure you have:

• verified domain
• SPF/DKIM/DMARC
• unsubscribe link for marketing
• clear reply-to addresses
• bounce handling
• monitoring for failed sends
• test sends to Gmail/Outlook/Apple Mail

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Practical starter stack

If you want a simple, robust setup:

• Transactional emails: Postmark or Resend
• Support inbox: Google Workspace + Help Scout
• Domain auth: SPF/DKIM/DMARC on your domain
• Optional: send from a subdomain like mail.yourapp.com

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If you want, I can suggest a specific stack based on your budget, or give you a step-by-step setup for one provider (Postmark, SES, Resend, SendGrid, etc.).