Automation Email not working

Hi

I have configured email setting on fortigate and created a snitch,Trigger and action for sending admin login failure to my gmail account but it does not work. here is my configuration:

config system email-server     set type custom     set reply-to "itcuoka@gmail.com"     set server "smtp.gmail.com"     set port 587     set source-ip 0.0.0.0     set source-ip6 ::     set authenticate enable     set validate-server disable     set username "itcuoka@gmail.com"     set password ENC KMGGpKG6YFSg3M3v4JuNq+4ugOkNNAjuqgdy53MmtXDIRpBDkwnR98Rpjkaig==     set security starttls     set ssl-min-proto-version default     set interface-select-method auto end   config system automation-action     edit "Email_Tupa"         set description ''         set action-type email         set forticare-email disable         set email-to "terfi@gmail.com"         set email-from ''         set email-subject "Fortigate Alerts"         set minimum-interval 0         set message "%%log%%"         set replacement-message disable     next end  config alertemail setting     set username "itcuoka@gmail.com"     set mailto1 ''     set mailto2 ''     set mailto3 ''     set filter-mode category     set email-interval 5     set IPS-logs disable     set firewall-authentication-failure-logs disable     set IPsec-errors-logs disable     set PPP-errors-logs disable     set sslvpn-authentication-errors-logs disable     set antivirus-logs disable     set webfilter-logs disable     set configuration-changes-logs disable     set violation-traffic-logs disable     set admin-login-logs disable     set FSSO-disconnect-logs disable     set ssh-logs disable end