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Newsletter service
Péter Kubovics avatar
Written by Péter Kubovics
Updated over a week ago

You can send newsletters to your customers in several ways:

  • Using the newsletter engine provided by Cooltix

  • with your own newsletter engine

The details, options, and pros and cons of each of these will be discussed in this guide.

Sending a newsletter with the Cooltix newsletter engine

With the newsletter engine we provide, we provide a sub-account for our newsletter engine service, where we migrate your customers' details at given intervals (weekly by default) with segmentation agreed upon by you, so it's always ready for you on the day. In this account, you are almost entirely in control, free to create newsletter campaigns, manage your audience and measure the effectiveness of your campaigns.

If you would like to use the service, please contact us.


We help you set it up

We can help you set up your newsletter engine, including your own email address and associated domain credentials. The email address domain must be owned by you (for example [email protected]), so you can't use for sending emails.

Your customer details will be automatically sent to you

Your customers' details will be automatically sent to you at given intervals, so you can keep your audience up to date in the newsletter engine. Your customers will also be segmented according to the criteria you specify (for example, by region), so you can send different mailings to different groups.

Send newsletters from your email address

You can always send newsletters from your email address so that when your customers reply to them, for example with an inquiry, you can receive their mail directly. You can also send them from multiple email addresses, for example, some from [email protected] and others from [email protected].

We provide a dedicated IP address

Dedicated IP addresses are usually only provided by email providers in their most expensive packages, but we provide them as standard.

Why is a dedicated IP important? A dedicated IP is important because if you don't have one, your mail would be sent out from a so-called "IP Pool", which is shared with other users of the email service provider. This could lead to another user sending spam from the IP address you are using. In such a case, the email service provider would blacklist the IP address, so that the newsletter you send would not reach your audience, even though you have followed all the rules. In addition, even these emails are still part of your quota, so you have to pay for them in the same way. To avoid this, you can use a dedicated IP address that only you use, so that others can't influence your emails and your emails will certainly reach your audience.

We check for incorrect email addresses

If your customers have misspelled email addresses but you still send them newsletters, it would both count against your quota unnecessarily and negatively affect your account reputation. In order to avoid this, email addresses are checked, and if during the purchase process the email address is found not to exist, you will not be able to send emails to this email address, so it will not count towards your email quota and will not affect your account reputation.

Additional newsletter engine features

All the features provided by newsletter engines in higher packages are available: subscription form, segmentation, A/B testing, automation, scheduled sending, email personalization, unsubscribe groups, email templates, open and click-through statistics, territory statistics, and comparisons.


Your account has its own unsubscribe list, so if someone unsubscribes from your emails, they will only unsubscribe from your account, it is completely independent of other organizers' accounts. It's worth setting unsubscribe groups so that your audience can unsubscribe from only certain types of newsletters, so you can reduce the total number of unsubscribes.


The reputation of your account shows the estimated perception of you by email service providers. It is a percentage value between zero and 100 and shows the ratio of negative events to the number of emails sent without a negative event in the past period. A negative event is when your email is marked as spam by the customer, or when the email address you sent it to does not exist. Unsubscribing is not considered a negative event, which is why it is important to always offer the unsubscribe option to your audience in your marketing emails.

The minimum expected reputation is 80%, below this value we will no longer be able to provide a newsletter service, and email service providers will usually blacklist your email address and IP address if the value is low. You can check your reputation at any time via the service interface.


The newsletter engine service is an intermediated service, the fees are independent of the system utility fees and are billed monthly. The number of contacts is the number of email addresses uploaded at any one time in a given month, while the number of emails is the number of emails that can be sent out per month. You can upgrade to a larger package at any time during the month, but only to a smaller package at the end of the month.



Emails per month

Monthly fee




90 EUR

0,0036 EUR



115 EUR

0,0023 EUR



140 EUR

0,0019 EUR



165 EUR

0,0017 EUR



245 EUR

0,0016 EUR



320 EUR

0,0016 EUR



395 EUR

0,0016 EUR



575 EUR

0,0015 EUR



750 EUR

0,0015 EUR

If you need a larger package, please contact us and we will prepare an individual offer for you.

Smaller packages are not available at the moment, if 5000 contacts are too much for you then you may want to use a newsletter engine of your own until smaller packages become available with us.

Send a newsletter with your own newsletter engine

In this case, you can use your own newsletter engine subscription to send mail to your audience. Your newsletter account is completely independent of Cooltix and is managed entirely by you.

Suggested newsletter engine services:

  • Mailchimp

  • Sendgrid

  • Sendinblue

Transfer customer data to the newsletter engine

One of the biggest tasks of using your own newsletter engine is to transfer your customers' email addresses, names, and other data relevant to sending newsletters to the service. You can do this in two ways:

Manual transfer

You can download the export of your events at any time, this will contain all the details of your customer that are required to send the newsletter. The advantage of manual transfer is that you can freely segment your customers according to the criteria that are important to you, and you can also download your past event customers at any time. The disadvantage is that it's more work and you have to manually organize your customer data, for example removing duplicates or deleting unnecessary columns.

Automatic transfer

You can use the Segment service to send automatically, which you can also link to your Cooltix account. Segment is a service that allows you to easily move your customers' data between different services, keeping them up to date.

Setting up the Segment service is more complex than a manual transfer, but you only need to set it up once, after which the data will automatically arrive in your newsletter-sending account. This means that when you set up Segment, if a customer makes a purchase, their details will be sent to your Segment account, from where they will be sent to the location you specify, in this case, your newsletter sending service account.


As automatic submission will only send purchases made after the setup, if you have had previous purchases, you may want to do a manual submission after the setup. This way your previous customers will be included in your newsletter engine.

Segment setup steps:

Step 1

Register a Segment account at

Step 2

Connect your newsletter engine service to your Segment account

Step 3

Link your Segment account to your Cooltix account, you can do this in Manage Organizations > Integrations > Tracking Codes.

Step 4

From within your Segment account, set up that customer data from Cooltix is forwarded to your newsletter engine

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