https://wordpress.org/plugins/gd-mail-queue/

and not what you mention above. The plugin you mention will only create issues.

It seems to be working just fine thus far. What issues, specifically? Can you give details?

Also, I looked at the plugin you mentioned, however, can you set up a server cron with it? or does it have to use wp-cron?

https://wordpress.org/plugins/gd-mail-queue/

and not what you mention above. The plugin you mention will only create issues.

Anyway, if anyone is having the slow posting issue like I mentioned in my opening post, this is most likely due to the fact that wpforo is telling your server to send a bunch of emails all at once, to all users who are subscribed to particular topic or category. This is why creating a new post can be PAINFULLY slow, and why editing a post is quick. Any new posts created will not be posted until all mail is sent out.

Solution: Install a mail queue plugin. This will queue your mail in smaller batches, rather than  having your server send out everything at once.

One thing I wanted to mention, is that this really isn't about whether you have a "heavy duty" server or not. Why? Because we're actually using a super fast WP dedicated server and the same issue persisted until we installed the mail queue plugin.

There are several free ones, and the one we use is this one: https://wordpress.org/plugins/smtp-mailing-queue/

I think this is a rather big issue, and one that could be probably be resolved with simply a mail queue feature built in. I also think that this should be mentioned by the admins here within the forums since many people seem to be experiencing the same issues (below are links to just three examples out of many). Instead of panicking about whether slow posting is being caused by a database issue as it's been often suggested, mail queue is actually the first thing that needs to be checked.

https://wpforo.com/community/how-to-and-troubleshooting-2/slow-when-posting-a-new-topic/paged/2/

https://wpforo.com/community/how-to-and-troubleshooting-2/posting-is-very-slow/

https://wpforo.com/community/how-to-and-troubleshooting-2/posting-is-painfully-slow

Anyone who has a decently sized forum with over a few hundreds users is going to run into this issue if the mail is not being queued or unless if you remove the ability to subscribe. I'm pretty surprised that this isn't even mentioned in the documentation.

yes we have checked the website, we deactivated wpForo and checked the website speed, and nothing changed the issue maker is not wpForo, it comes from your whole website as it is very slow, with or without wpForo.