Deliverability

Free access to advice on deliverability, cold emailing and more.

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LATEST ARTICLES

How Many Emails Can You Send Before Considered Spam? - cover photo

How Many Emails Can You Send Before Considered Spam?

Hit send. Hit a limit. Hit the spam folder? That’s the risk with cold email outreach. Send too few emails and no one replies, send too many and you risk being marked as spam.

How to Reduce Spam Score (and Land in Real Inboxes) - cover photo

How to Reduce Spam Score (and Land in Real Inboxes)

You wrote the email. You sent it to the right list. Everything looked fine. However, your message never reached the recipient’s inbox. It happens more often than it should. And one of the most common causes? A high spam score.

12 practices for effective email outreach in 2025- cover photo

12 Practices for Effective Email Outreach in 2025

Email outreach in 2025 isn’t for the lazy, the generic, or the faint of heart. Your prospects’ inboxes are smarter, more crowded, and ruthlessly efficient at blocking anything that looks, smells, or sounds like spam. At the same time, the rewards for genuine, relevant outreach have never been higher.

How to Improve Email Deliverability? 2025 Step-by-step Guide - cover photo

How to Improve Email Deliverability? 2025 Step-by-step Guide

Do your emails land in spam? Follow our step-by-step guide on how to improve email deliverability and boost engagement with ease.

email cadence - cover photo

What is an Email Cadence + How to Find the Right One

Struggling to get responses from your email outreach? The problem might be your email cadence. Get it wrong, and your messages go unnoticed or annoy recipients.

Should You Use a Mass Email Sender? - cover photo

Should You Use a Mass Email Sender?

Mass email senders work wonders when used right. Crossing into spammer territory is easy if you're not careful. Use them wisely to ensure your emails are welcome, not unwelcome. 

How to Improve Cold Email Open and Reply Rates: Inbox Rotation 

We’ve made an important change to the way Woodpecker sends your campaigns. Our new Inbox Rotation feature will help you scale up your outreach despite recent changes in sending limits by many email service providers.

Woodpecker warm-up & recovery

Gmail Warmup: 2025 How-to Guide

Recently, the world’s largest email provider - Google - informed us that it has decided to part ways with all automated warm-up services for their email accounts.