Is eMail Marketing still effective?

Developing a strong email marketing strategy can help you attract and connect with your target audience in a personalized way, and increase sales at an affordable cost. Just as other platforms and media have changed, email marketing tools make it easier than ever for your business to reach customers.
Here is a list of reasons why you should use email campaigns:
Keep in touch with the audience
People interact with emails
Low cost
Reach your audience immediately
Targetting made easier
Results are easy to measure
If your company is not using email marketing, well... think about it, and think about it again.
There are online tools specialized to help you with email marketing and email campaigns.
GetResponse
MailerLite
ActiveCampaign
MailChimp
Sendpulse
Of course, you must make sure to respect all the regulations and laws of the targeted audience location. Your email campaigns should be ethical.
Are you using email marketing campaigns, or a different automated email services provider? I would be interested to know more about it... feel free to comment below.