10 Tips to Improve you Email Deliverability

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Doing everything you can to write great sales emails, but your open rates simply don’t go up?

Let's talk about email deliverability!

This article walks you through 10 things anyone in sales should do to improve deliverability:

1. Set up your SPF, DKIM, and DMARC configurations

SPF, DKIM, and DMARC are common configurations that email providers (e.g. Gmail) use to double-check the sender’s identity. Without them, external attackers can easily send malicious emails on your behalf.

If this happens, your emails will most likely end up in the spam folder.

If you have never done this before, we recommend you get the support of someone on the engineering team to walk you through this process. You’ll only need to set it up once and it takes about 30 minutes.

👉 See how to set it up here.

2. Create a custom tracking domain to track open rates

By default, Amplemarket uses a shared pixel to track all opened emails. Set up a custom domain tracking and your deliverability reputation is entirely under your own control.

All you need is to have access to the DNS records of your domain. If you don’t, ask the engineering team, they’ll know what you look for. On Amplemarket, this process is done with only a couple of clicks in less than 5 minutes.

👉 Here’s our Founder explaining how to set it up.

3. Complete your mailbox profile information

It can be easy for your recipients to forget that there’s a real person behind these emails. To make your mailbox look authentic, add your name, a photo to your Google or Exchange accounts so your prospects can see the preview before they open your emails.

email deliverability

Image: Contact on the left side has all the information missing, whereas the contact on the right side is complete.

4. Enable Amplemarket’s email warm-up to increase your sender reputation

Warming up a mailbox is the equivalent of consolidating its reputation by adding high-quality volume and engagement.

While you can do this manually by exchanging multiple emails on a daily basis with colleagues from and outside your organization, it’s easier to have Amplemarket doing it automatically for you.

👉 Learn how to enable it here. You’ll only need one click to set it up!

5. Subscribe to daily newsletters

Subscribing to a number of newsletters will help you increase the number of emails you receive every day and mitigate the amount of “sales activity” in your inbox.

If you don’t want to get your inbox full of unimportant emails, you can set up a filter on Gmail and all your newsletters will go to a dedicated folder, outside your primary inbox.

6. Avoid images and links, especially from untrusted sources

Emails with too many images and links are typical characteristics of marketing emails, so these emails can easily be diverted away from the primary inbox.

7. Send campaigns to at most 30 new leads per mailbox per day

Deliverability algorithms look for suspicious behavior in your email activity. Instead of having huge spikes in your email activity, keep it more consistent (for example, 30/40 emails a day).

email deliverability

Image: Left side of the image shows the right volume flow with multiple aliases and domains, while the right side shows what you shouldn’t do, irregular email activity all through the same mailbox.

8. Spread volume across several alias domains

The ideal number of mailboxes will largely depend on the volume you want. The basic rule is to not send more than 50 emails per mailbox per day.

If you need more volume, create an alias domain in a different G-suite workspace. So deliverability risks are mitigated across 2 domains (if one runs into issues, the other is still up and running).

👉 See how to add a new mailbox to your Amplemarket account here.

Note: Reach out to support@amplemarket.com if you're unsure about how many mailboxes per user your account has access to or if you want to get access to more mailboxes in your Amplemarket account.

9. Take time to refine your lead generation process

Make sure you’re sending your emails to the right audience. These prospects are not only more likely to convert to paying customers but will also help you achieve better engagement levels.

At Amplemarket, we’ve seen better results when our customers focus on lead generation strategies based on high buying intent signals.

👉 See some of the best lead generation strategies here.

10. Warm-up every new mailbox (and domain) for at least 4 weeks

It used to be possible to create a new domain and immediately start sending hundreds of sales emails. This type of behavior is no longer tolerated and domains with poor history will be marked as spam… fast!

👉 Read more about how to warm up your new domains here.


This article gave you 10 things to get started with email deliverability in sales. However, you mustn’t get comfortable with just the tip of the iceberg.

That's why we've launched the most comprehensive Email Deliverability Guide for sales teams. We’ve distilled everything we learned so far from hundreds of use cases selling to thousands of SaaS businesses across the globe.

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