Email library produces weird error while sending mails

Hi,

Your host might not actually be too happy that you are sending so many emails. It depends on your environment of course. Although you are not breaking the terms of service you are ultimately (or might be) stretching the bounds or the intent of the service.

You perhaps need to look at your own mail exchange server or a dedicated 3rd party service.

This is the first google result I found: https://zapier.com/learn/email-marketing...-services/

From your description it just doesn't seem like a CI problem directly. Perhaps if you really cannot get any real help from your host, try a different host. Skunkbad is exactly right in what he is saying above.

Best wishes,

Paul.