SPF, That is to say Sender Policy Framework Abbreviation , Is a kind of IP Address authentication e-mail sender identity technology , It's a very efficient spam solution .

How to query the email address of your domain name SPF Record ?

Result of query , From the results "include" This keyword can tell ,qq.com Of SPF The record contains "spf.mail.qq.com" Of "txt" Type in the .

SPF It can prevent people from faking you to send email , It's an anti fake email solution . When you define your domain name Of SPF After recording , The recipient of the e-mail will respond to your SPF Record to confirm the connection IP Whether the address is included in SPF In the record , If in , It's the right email , Otherwise, it's a fake email . For more details, please refer to RFC4408(http://www.ietf.org/rfc/rfc4408.txt

utilize SPF Missing records , You can build a local mail server , Point to a specific domain name , Complete the forgery of email domain name .

Software HMAILSERVER Build a local mail server :

1、 Create a domain name

2、 To configure SMTP、POP3

3、 Create a fake email account admin@xxx.com

4、 Sending fake phishing emails

utilize SPF Missing records more about sending fake emails

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