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Prevent email account spoofing

This article will help secure the use of the email account and domain as well as avoid falsification of electronic correspondence.

In the summer 2017 there were frequent cases when users received same emails allegedly from their colleagues, acquaintances or even from the user himself with the following content:

“Hello, how are you?

Can you please make a transfer to UK?

Best regards,”

(Contact information of email account user or the acquaintance/colleague/manager followed)

As you can see from an example, they typically ask to make a bank transfer using incorrect language. It is also typical that attempts were made to falsify an e-mail account of company’s manager, whose information is easily found on the web (name, position, etc.).
In order to prevent such problems, you need to take following steps:

  • Activate SPF records for your domain.  DKIM and DMARC records give an extra security.

Instruction and description of the records: https://help.zone.eu/en/Knowledgebase/Article/View/534/40/spf-dkim-i–dmarc—how-to-prevent–your-emails-from-getting-into-spam

  • Make sure, that both incoming and outgoing server use SSL connection.

Incoming mail server: mail.zone.ee
POP3 port with SSL 995
IMAP port with SSL 993
Outgoing mail server smtp.zone.ee when using SSL is 465.

Different email programs instructions: https://help.zone.eu/en/Knowledgebase/List/Index/48/e-mail-programs

  • Change email password for a newer and more secure one.
Updated on 18. Oct 2018

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