The purposes of this study were to 1) develop an email newsletter system for the website of the Central Institute for Non-formal and Informal Education, 2) study the click rate of the email system, 3) identify the characteristics of the members of the email system, 4) identify the satisfaction level of the members towards the email system and 5) study the members’ opinions about the email system.

The samples were 692 email members, selected by a simple random sampling technique. The instruments for email system development comprised of PHP, HTML, MySQL, Dia and Edit Plus. The instruments to study the click rate were a click rate tracking code and a click rate analysis code. The instrument for data collection was an online URL embedded questionnaire. The statistics for data analysis were percentage, mean and standard deviation. The content analysis was employed to summarize the members’ opinions.

The results of the research were as follow:

1. The email system worked as expected. No errors were found.
2. The click rate was 21.41 per cent. Most email letters were opened on Monday (20.60 per cent). They were least opened on Sunday (9.14 per cent). It was also found that most email letters were opened more than 7 days after they were sent (25.79 percent).
3. Most members were male private company employees, aged between 20-29 years old with 1-3 years of computer experience. Most of them had one email account. The popular web mail was Hotmail. Most of them checked their email on a daily basis; therefore their email accounts never got suspended nor expired. Not more than 5 copies of junk mail were found each time they opened their email. Most of them were able to move the mail in their junk boxes to the regular inboxes. Most of them read the junk mail but immediately deleted it if it was found irrelevant.
4. The overall satisfaction level of the members was in a high level with the mean score of 3.85 (SD = 0.49). The three most satisfied areas were ease of use, easy to login and easy to understand with the mean score of 3.92, 3.89 and 3.89 (SD = 0.55, 0.60 and 0.63) respectively.
5. Regarding the members’ opinion, it was found that the newsletters were useful. However, many members suggested that more varieties of topics should be included.