Yes, will do Boofo! Actually, I'll start now ;)

Having owning a tech support site, I'm in touch with a few big companies, such as a-squared, symantec, CheckPoint ect...so, I could get them maybe see what they can do!

Regards Jason :)

Please follow the link in my signature.

Thanks for that!

Got any links to programs that we can use for bounce emails?

Regards Jason :)

You would have to ask your *users* to make the filter in their own yahoo mailbox (I don't think filter is the correct word, I think that is a gmail word, but yahoo has a similar function).

I'd be interested if Jason gets a response from yahoo. I know this has been an issue for a long time and not just from vbulletin forums but other forums and software that send out activation emails also.

The only two hacks that I know of that help with bounced email is ezbounce:
https://vborg.vbsupport.ru/showthread.php?t=138884
https://vborg.vbsupport.ru/showthread.php?t=162642

But there is a dire need for software that will protect large sites from getting banned at yahoo, hotmail, etc.

But where could I add that so they see it when they register?

--------------- Added [DATE]1205607900[/DATE] at [TIME]1205607900[/TIME] ---------------

Jason, let me know what you come up with. That article was good but very confusing to me. I am e-mail challenged, I guess, and there is no cure. :(

First you need to find out why yahoo is actually rejecting the emails, that can be found in your server logs, there can be numerous reasons why they are rejecting it, anything from an incorrect PTR to a keyword.

@bofoo, if your on a shared server, ask the host to check the logs for you and find out what the 3 digit rejection code is for yahoo and your domain, once you have that 3 digit number, it will be easier to identify why they are rejecting it or possibly filtering it.

Once you rectify the issue, you can then request yahoo to whitelist your domain to prevent it in the future.

I will see if I can get the info and let you know, if that's ok. ;)

I've provided some logs to Yahoo, just need wait for a reply.

In the meantime, I'm going to add a little note in the registration form, informing users of the current problem.

Regards Jason :)

Post one of the failures in the log