Mailer object stops after two tries

I am trying to create a mailer object that sends out emails but it stops after sending it two times. Please help. I am using Lookout for Win32 Version 6.7 (build 49153)
Mailer Object:
Name: H2S_Alarm_Mailer

Recipients: "myemail@do-main.ca"

Subject: "H2S Alarm "&H2S_Accum_5min
Message: "H2S Alarm triggered "&..\board1.H2S
Send: TRUE

From address:"no_reply@do-main.ca"
SMTP server: smtp.do.ma.in

Generate event on successful send is checked

Timeout: 30 seconds

Mailer alarm priority:10