mysql - Security implications of storing email attachments on Centos Server -

mysql - Security implications of storing email attachments on Centos Server -

there application working on requires processing incoming mails cs@company.com. company.com mail service accounts beingness run via google apps business. fetch incoming mails via imap , store attachments on server filesystem. attachments downloadable users of application. server centos 6.3 , web interface of application based on apache/php/mysql.

my questions : 1. kind of security risks exposed storing attachments on server filesystem? 2. safer store attachments external storage (for e.g. amazon s3)? 3. safer store attachments in db?

mysql apache security centos email-attachments