It seems like i was unable to login from your backend, this is what i hitting now :

Warning

Login denied! Your account has either been blocked or you have not activated it yet.

May i know where you set post-activation option from backend?

Sorry, my mistake.
I had unpublished the support account.

I published it back => you should access now.

I checked your site and found that you have not set the post activation time in emailer app (by default it's lifetime), so that's why emails are not sent. I have changed the post activation time to 1 day , now emails are sending successfully.
see attached screen shot.

Please take a look on this and update me if still issue persist.

thanks

You're most welcome.