E-mail Spoofing: Threat to E-mails
Basically a spoofing is a network security threat in which a person or a program masquerades as another by falsifying the data and thereby gaining the access to that data. We have different types of spoofing like man-in-middle attack, Internet protocol spoofing, URL spoofing, e-mails Id spoofing.
Now days there are many email frauds are happening due to spam or fake emails.
What is E-mail Spoofing?
E-mail spoofing is a term in which the e-mail activity like sender address and other part of the e-mail header is falsified and changes are made so as to appear that it originated from the different source-mail spoofing is a technique used in spam e-mails. In this technique some properties of e-mail is changed by ill-intentioned users which can make the e-mail appear to be from someone other than the actual sender. This creates to appear that it comes from original sender but the e-mail comes from different source and hence if we reply to such kind of spam e-mails it introduces Trojan horse viruses in our computer.
How to prevent E-mail Spoofing?
- Using cryptographic signatures to exchange authenticated email messages like PGP “Pretty Good Privacy” is a good solution to avoid e-mail spoofing since cryptography ensures that messages are from whom they appear to be, as well as ensure that messages are not altered during transit.
- You can configure your mail daemon to prevent someone from directly connecting to your SMTP port to send spoofed email to other sites.
- By using firewalls you can try to avoid the spoofed emails.
- Create SPF record for your domain. For more details read Email Security Threat
