Business email, sent responsibly
mailfastin.com is the domain we use for informational emails to professionals. Here you can find out why you received a message, stop receiving them, and exercise your data rights.
Why did you receive this email?
Our messages go to professionals, at their business address, about topics related to their work. Here is how we send them.
Business addresses only
We write only to professional email addresses, about topics related to the recipient's work.
Verified lists
Addresses are checked before any send, and addresses that no longer exist are removed automatically.
One-click unsubscribe
Every email has an unsubscribe link. A request takes effect immediately and permanently.
Authenticated sender
Our emails are signed (SPF, DKIM, DMARC), so your mail provider can confirm they really come from mailfastin.com.
Encrypted delivery
Mail between our server and your provider travels over TLS, protected by an MTA-STS policy.
Your data rights
Access, correct or delete your data at any time. We reply within one month at the latest.
Stop receiving our emails
The quickest way is the unsubscribe link at the bottom of our emails. You can also do it here.
- 1
Enter the address
Type the email address that receives our messages.
- 2
Confirm
It is removed from all our lists at once.
- 3
That's it
It takes effect immediately. An email already being sent may still arrive within a few hours.
Your personal data
The GDPR gives you the following rights. We reply within one month at the latest.
Find out which data we hold about you and where it came from.
Full details in our privacy policy.
Each request gets a reference number and an answer within one month.
Frequently asked questions
Answers to the questions we are asked most often.
Get in touch
One address for every question.
Postal address
mailfastin.com15 Rue La Boétie
75008 Paris, France
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Every report is reviewed.