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Im installing sendy in Amazon EC2 micro instance and it takes me about 6 hours just to send to 5000 list (HTML file size about 55kb).
My amazon SES quota is 50.000 per 24hrs with rate 14 msg/second. Im still using Sendy 1.1.4 by the. When it was "sending", my memory usage was about 45% and CPU less than 5%. If using simple calculation, with 14 msg/second I should able to send 50.400 msg per Hour (14 x 60 seconds x 60 minutes).
Any suggestion what might have caused the slow delivery?
Did you set up a cron job to send your emails? I suspect you're not using a cron job, so multi-threading isn't used to send your emails but instead it sends one email at a time.
I have set the cronjob according to your guidance since the first time; and it should works normally (i can close the browser while it sending emails in the background).
Any other suggestions what have caused the issue?
I can only think of cron jobs not working correctly for your issue. I last tested sending 15,000 emails in 11 minutes with 18.104.22.168 on EC2 micro instance.
Can you run the cron reset script to troubleshoot:
Thanks for the suggestion. I have tried to run the reset script as above but no such file (reset-cron.php) in the directory.
Above link is the screenshot of my amazon console. As you can see, i have managed to set the cron job and it shows when I run crontab -l command - and the "instruction was not showing anymore". Also, it show that no reset-cron.php ini the directory... or should I update to 22.214.171.124 first?
If reset-cron.php is not in your directory, you're not on 1.1.5.
I suggest downloading the latest version and upload/replace all files in your Sendy directory (except the /includes/config.php and uploads folder of course).
Then verify that you have cron job setup. Try using sudo crontab -l to see if your cronjob is still there. If not, use sudo crontab -e to install the necessary cron job(s).
sudo crontab -l
sudo crontab -e