How to Send a Follow up Email After No Response?

follow-up-cold-email

You’ve written thousands of cold emails, sent them, and now you’re playing the waiting game. Except you’re the only one that’s playing it. Your leads? Not so much.   We know that you’re probably wondering what about your copy made them not respond, and what you can do in your follow up so they will, […]

Aerosend vs Smartlead vs Instantly

aerosend-vs-smartled-vs-instantly

To send cold emails that will land in the inbox, you need two things:   Inboxes – Email accounts your cold emails are sent from. Automation Software – This software helps you manage multiple inboxes and automate sending, so you don’t have to do it manually.   Together, they help you send cold emails that […]

Automated vs Manual Cold Email

automated-cold-email-vs-manual-cold-email

Cold emailing is one of the biggest ways to generate revenue, even in 2025. The question is whether you should be automating the whole process or do it yourself. The answer is you should do a mix of both, and we’re going to tell you how to do exactly that in this blog.   Why […]

Scale Your Outreach: Using Bulk Cold Email the Right Way

BULK-COLD-EMAIL

You love the cold emailing concept, maybe you’ve also sent a few. Now, you want to scale up, send more bulk cold emails, get more leads, more replies…but you’re not sure how.   Don’t worry, you’re in the correct corner of the Internet. We’ll break down everything, including setup, bulk cold email sending limits, segmenting […]

Cold Email Mistakes To Avoid – From the Experts

cold-email-mistakes

Everyone is going to make some cold email mistakes. Especially if it is their first time starting a campaign. It’s time to learn from the errors experts made so you can avoid them. This is all you need to know:   1. Sending Emails from Primary Domain   The biggest cold email mistake you will […]

Aerosend for Agencies: Multi-Domain, Multi-Mailbox at Scale

cold-email-agency

Cold Email is your bread and butter. We understand that. At the end of the day, every meeting booked is additional revenue, and it directly impacts client retention.   You spend money creating campaigns and building lead lists to achieve a consistent flow of replies. That’s what your clients trust you to do. Book meetings/generate […]

What is Aerosend?

We’re an inbox provider built for cold emails. To make cold email successful, you need to send very few emails from 1 domain (60-75 emails/day/domain). To scale automated outreach, you need multiple domains and inboxes working together. This helps providers think you are not doing mass outreach, and your emails will land in the inbox. […]

Gmail Sending Limits For Cold Emailers

gmail-sending-limits

Gmail is the most popular provider. But should you use it for cold email?   If you’ve found yourself in the midst of the “you have reached a limit for sending mail Gmail” notification, you’ve likely reached the Gmail sending limit. Gmail sending limits are 2000 on paper. For cold emailers, it’s 25 per inbox. […]

How to Get Your Instantly API Key

Step 1 : Log in to Your Instantly Account

Go to https://app.instantly.ai/auth/login and log in to your account

Step 2 : Navigate to Settings

Click on your profile icon in the bottom-left corner, then select “Settings” from the dropdown menu.

Step 3 : Select Integration

In the Integrations page, click on the “API Keys” tab in the left sidebar.

Step 4 : Get Your API Key with all:read Scope

If you already have an API key with the all:read scope, you can use that key.


If not, click the “Create API Key” button, select the all:read scope, and make sure to save your new API key somewhere safe.

How to Get Your Smart Lead API Key

Step 1 : Log in to Your Smart Lead Account

Go to https://app.smartlead.ai/login account and log in to your account

Step 2 : Navigate to Settings

Click on the “Settings” option in the top right corner profile icon.

Step 3 : Select API Integration

In the Settings page, under your profile picture, you can see the SmartLead API Key.

Step 4 : Generate Your API Key

If you already have an API key displayed, you can use that key. If not, click the “Generate API Key” button to create a new one.