diff --git a/README-jp.md b/README-jp.md
index 6cb7762..e18da00 100644
--- a/README-jp.md
+++ b/README-jp.md
@@ -192,6 +192,8 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 <a name="webmail"></a>
 ### Webmail
 
+- [Why mail() is dangerous in PHP](https://blog.ripstech.com/2017/why-mail-is-dangerous-in-php/) - Written by [Robin Peraglie](https://www.ripstech.com/).
+
 <a name="nfs"></a>
 ### NFS
 
@@ -544,6 +546,7 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 - [OpnSec](https://opnsec.com/) - Open Mind Security!
 - [LoRexxar](https://lorexxar.cn/) - 带着对技术的敬畏之心成长，不安于一隅...
 - [Wfox](http://sec2hack.com/) - 技术宅，热衷各种方面。
+- [RIPS Technologies](https://blog.ripstech.com/tags/security/) - Write-ups for PHP vulnerabilities.
 
 ## Twitter Users
 
diff --git a/README-zh.md b/README-zh.md
index 36e2dae..270280f 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -204,6 +204,7 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 ### Webmail
 
 - [Webmail-Hacking](https://github.com/mottoin/SecPaper/blob/master/Webmail-Hacking.pdf) - Written by [千域千寻](http://blog.csdn.net/f1n4lly/).
+- [Why mail() is dangerous in PHP](https://blog.ripstech.com/2017/why-mail-is-dangerous-in-php/) - Written by [Robin Peraglie](https://www.ripstech.com/).
 
 <a name="nfs"></a>
 ### NFS
@@ -579,6 +580,7 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 - [OpnSec](https://opnsec.com/) - Open Mind Security!
 - [LoRexxar](https://lorexxar.cn/) - 带着对技术的敬畏之心成长，不安于一隅...
 - [Wfox](http://sec2hack.com/) - 技术宅，热衷各种方面。
+- [RIPS Technologies](https://blog.ripstech.com/tags/security/) - Write-ups for PHP vulnerabilities.
 
 ## Twitter Users
 
diff --git a/README.md b/README.md
index f58a961..023210d 100644
--- a/README.md
+++ b/README.md
@@ -189,6 +189,8 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 <a name="webmail"></a>
 ### Webmail
 
+- [Why mail() is dangerous in PHP](https://blog.ripstech.com/2017/why-mail-is-dangerous-in-php/) - Written by [Robin Peraglie](https://www.ripstech.com/).
+
 <a name="nfs"></a>
 ### NFS
 
@@ -540,6 +542,7 @@ If you enjoy this awesome list and would like to support it, check out my [Patre
 - [OpnSec](https://opnsec.com/) - Open Mind Security!
 - [LoRexxar](https://lorexxar.cn/) - 带着对技术的敬畏之心成长，不安于一隅...
 - [Wfox](http://sec2hack.com/) - 技术宅，热衷各种方面。
+- [RIPS Technologies](https://blog.ripstech.com/tags/security/) - Write-ups for PHP vulnerabilities.
 
 ## Twitter Users