Free SMTP Server: How to Send Unlimited Transactional Emails.

November 4, 2019

A Simple Mail Transfer Protocol, or SMTP for short, is used today by professionals in all fields in order to enhance their email practice. Using an SMTP, you can seamlessly transmit emails across the web. Below you’ll learn just how and where to get a free SMTP server that suits your every need.

Free SMTP Server

You will also find how to send unlimited transactional emails to each and every single one of your subscribers using a free SMTP server. However, before we can get to that we must cover all our bases. Let’s begin by explaining exactly what a Simple Mail Transfer Protocol, SMTP, really is.

What is an SMTP server?

In the simplest of terms, we can say that an SMTP server can be described by the following. “A piece of computing machinery that makes sure that your emails get delivered to the right email address via the internet”. While this does seem really easy to understand there’s a little bit more to it than a simple piece of computing.

Think of the SMTP server as the mailman that delivers letters to every house, in this case, the houses are email addresses. You can understand the basic working of an SMTP server looking at the simple diagram below.

While the inner and most complex workings of an SMTP server can be understood, our main concern here is to teach you how to use and get a free SMTP server. So, on that note let’s move on to something a little bit more interesting for your business.

What SMTP server should I use?

If your main focus is to get an SMTP for your business then you have lots of choices at your disposal. SMTP servers can play a great role in increasing or decreasing your email deliverability. Think about the earlier analogy with the mailman, you surely want an experienced and trustworthy one to deliver your email. The same applies to choosing an SMTP server.

You can separate SMTP servers into two categories. We have the most common ones in business, which is the third-party SMTP server. Then we have those SMTP servers that are self-hosted by the companies or businesses that need them. Each have their own benefits and issues, let’s take a deeper look into what you can expect from free or professional SMTP servers.

First, you need to know who can provide you with either a free SMTP server or a paid service.

  • Email service providers. Like MailChimp, NeverBounce, among others.
  • Web hosting providers.
  • Free email providers. Like Gmail, Yahoo and others.
  • Internet Service Providers or ISPs.

If you’re interested in a professional SMTP server that can provide you with all the assistance you need, then you should go to use an email service provider. However, be warned that these services are paid and can provide a little more than just a service at times. You will need to be aware of their rules and regulations before actually using their services.

Some of these Emails service providers do have free trials and can be expected to place certain restrictions on free users. It’s more than likely that if you want to experience all their features, or simply send more emails through them, you’ll need to pay.

On the other hand, you can also try a free SMTP server.

Is a free SMTP server a good choice for me?

The whether you should or shouldn’t use a free SMTP server depends on multiple factors. One of such is your budget, you might want to get a professional service for your email delivery but not have the money required for that.

Another good reason would be your purpose. If you’re just starting out your business then it’s very likely that you don’t have the need to get professional service just yet. IF this is the case you can and should use a free SMTP server to learn how it all works and then see if you’re happy with one or want to try a professional service.

The other issue is capacity and cost. Again, if you’re starting out your business you might not have the need to send many emails. While paid services do offer lots of benefits, features and a large sending capacity. If you only need to send around 2000 emails per month, paying for a service to let you send 10000 can be a little bit of an overkill and a waste of money.

For instance, Google’s Free SMTP server allows you to send 3000 emails every month. This might sound like a little number once you grow your eCommerce. However, it does represent a fair number at the beginnings of your ecommerce endeavors.

The main problem with free SMTP servers is that in some cases you’re sharing a server with a spammer. As you may know, so far, this can affect the deliverability of your emails and hinder the performance of your email campaigns.

What are the benefits of an SMTP server?

It’s not all bleak, there are some great perks of using an SMTP server to help your business and email campaigns. You can take a look at some of these yourself or you can trust in our list below.

  • SMTP servers are simple to set up and configure.
  • It allows you to send a large number of emails to your subscribers while having fewer issues at doing so.
  • You can swiftly deliver your transactional emails.
  • It increases your chances of having your emails delivered to the intended recipient's inbox.
  • You can easily analyze and track bounces and the open rate of your emails.
  • In the event that an email fails to be delivered, you can issue a re-send mechanism.

However, you don’t have to take our word for it. Feel free to actually seek out a good SMTP server, whether free or paid and see its benefits for yourself.

Using Google’s free SMTP server.

Using Google’s free SMTP server is a good way to start off your business and initial email campaigns. Like the name says it’s a free service and it’s great to help you learn first-hand how an SMTP server works.

Like any other service it has pros and cons, but luckily for you, we can illustrate the most notorious benefits and problems. Remember that this is jus tour take, you’re free to use this service and discover exactly what works for you and what doesn’t.

Google’s free SMTP server cons.

One of the biggest issues with Google’s free SMTP server is that you have a sending limit of 100 emails per day. This way the maximum number of emails that you can send per month is limited to 3000 emails. This is really not a high number when it comes to email campaigns and email marketing for growing eCommerce business.

This is a really big disadvantage but is really just a minor one compared to something that can actually damage your business. As mentioned before spammers do make use of free SMTP servers. Getting lumped in with spammers and such does your reputation absolutely no favors.

Not only this damages your reputation, but it also hinders your ability to deliver emails safely to an inbox. Knowing this, using Google’s free SMTP for serious endeavors should be carefully evaluated beforehand.

Google’s free SMTP server pros.

Not everything about Google’s free SMTP server is bad, there are some good news too.

  • Using this service, you’re much less likely to see any disruption in the email delivery system, unless is a major cause.
  • Google’s free SMTP server is really easy to set up and integrate.

While just two pros isn0t enough to compensate for the cons, it’s a good way to start. If you’re still eager to try this service for yourself and see what is all about, let’s move on to how to set it up.

Setting up Google’s free SMTP server.

The first thing that you will need is a Gmail account, if you don’t have one don’t worry is really easy to open one. You must also have the 2-factor authentication activated. After all that is done, you’ll need to create what Google refers to as an App Password. This password will be used later on to verify your server configuration. Also, when you set up this App password make sure to select “Custom” and set a unique name.

After all that you’re done, you can use that SMTP server on your website or application. You will need to implement the following configuration, however.

  • SMTP Server:
  • Authentication: Yes.
  • Secure Connection: TLS or SSL.
  • Username: Your Gmail Email Address.
  • Password: Input the App Password here.
  • Port Number: 587 if you are using a TLS Authentication and 465 if you use SSL.

After all that is done, you’re ready to start using Google’s free SMTP server. For the next part, we’ll tell you how to send emails using this free SMTP server.

How to send emails using Google’s free SMTP server.

If you have a business or website email address issued by your website hosting provider you can employ a little trick.

You can use Google's SMTP server to send emails via that address and receive messages to your email account. If you want to do that you need to follow these simple steps.

  • Create another App Password as we did before.
  • Navigate to Gmail Setting and click on Account and Import.
  • And click on Add another email address.
  • Now you will be prompted to a window where you will need to add your custom domain email address.
  • Click next and now we will add Google’s SMTP Server Configuration Info.
  • Complete the following form with:

“SMTP Server Name.
Select the appropriate port number depending on your security protocol.
your username (your Gmail address).
the App Password you generated.
and at last, your security protocol.”

Click “Add Account” and this set up is finished.

A word of caution!

Before you begin sending emails to just anyone in your mailing list, you must first be safe. In order to do this, you need a valid and verified email mailing list. Just so you know who you’re sending emails to and if those email addresses are valid.

Luckily for there’s a great service ready to help you out with that. VerifyBee is a simple yet powerful service that can look after your mailing list. Using it you can find typos in the email addresses, guard yourself against defunct addresses and much more. If you have a mailing list that needs verifying VerifyBee is the best service to help you out with that.


After all that chit chat about using a free SMTP server or a paid one, you must be anxious to use one yourself. If you don’t like Google’s free SMTP for whatever reason feel free to disregard our section about the setup and focus on other services.

After all paid SMTP servers can work better for some cases, especially if you’re a large eCommerce business or a small one that is making a lot of progress. Remember that everything provided here regarding our opinion about free SMTP servers and paid ones is just that, an opinion.

Some people can use free SMTP servers and never get any problems or issues. While others just can’t seem to get along with them. It’s all about luck sometimes. If you’re interested in controlling a bit more of the outcome of your email campaigns then likely a paid SMTP service is the best option for you.

Don’t forget to verify your emailing list using the best service, and make sure to use the free trial option for every SMTP service that you encounter. This will give you an advantage in choosing the best service for your business.

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