The Novpha Blog

Guides on deliverability, compliance and finding the right prospects, for people who send cold email from their own Gmail.

12guides · updated Oct 1, 2026

Deliverability
Deliverability · Latest

Email Warm-Up: How to Warm a New Domain for Cold Email

A conservative email warm-up plan for a new cold email domain: what to set up first, a week-by-week ramp, and the mistakes that send new domains to spam.

· 6 min read
Deliverability
Deliverability5 min read

SPF, DKIM and DMARC Setup for Cold Email Deliverability

The exact SPF, DKIM and DMARC records to publish for a Google Workspace domain before cold outreach, plus which DMARC policy to start with.

Outreach
Outreach7 min read

Personalized Outreach at Scale with Custom Tags

How to use template variables like {{first_name}} and {{title}} to send cold emails that read one-to-one, without writing each message by hand.

Outreach
Outreach6 min read

Managing Replies with AI Auto-Reply Handling

How to set up AI auto-reply for cold outreach: tone, booking links, follow-up timing, rules and caps, plus the mistakes that make replies backfire.

Outreach
Outreach6 min read

High-Converting Email Sequence Best Practices

How to plan a cold email sequence that earns replies: a strong first message, well-spaced follow-ups, a daily cap, and a clean exit when someone answers.

Templates
Templates6 min read

Cold Email Templates for Common Use Cases

Six short cold email templates for local services, agencies, creator partnerships, B2B software, follow-ups and breakup emails, each with an opt-out line.

Deliverability
Deliverability7 min read

Google Sending Limits: What Cold Emailers Need to Know

Google caps Gmail sends per day and recipients per message. Here are the exact limits for personal, trial and paid Workspace accounts, and how to pace cold outreach safely.

Deliverability
Deliverability5 min read

How to Avoid Spam Filters in Cold Email

Trigger words matter far less than authentication and engagement. Here is what actually keeps cold email out of spam, and the checks to run before every send.

Compliance
Compliance6 min read

Cold Email Compliance: CAN-SPAM, CASL and GDPR Explained

CAN-SPAM lets you email until someone opts out. CASL requires consent first. How the three regimes differ, and what CASL's publication exception allows.

Templates
Templates6 min read

High-Converting Cold Email Subject Lines

Build a subject line library that earns replies, not just opens. Three patterns that work, how to personalize without forcing it, and how to test one variable at a time.

Product
Product6 min read

How Novpha Works: From Prospecting to Booked Meetings

Search public profiles by keyword and location, get verified emails, send from your own Gmail, and let Auto-reply book the meeting. The full Novpha workflow, step by step.

Prospecting
Prospecting6 min read

Instagram Prospecting: Building Compliant Lead Lists

How to find business emails from public Instagram profiles without scraping, keep the list compliant, and send outreach from your own Gmail so replies come back to you.