I'm posting this here because I ran into that error earlier. I'm using some code to copy images from one upload folder to the wordpress uploads folder (works fine locally, pretty sure it worked like 2 weeks ago here too). Tonight when I started testing, it started copying images but wouldn't...
Hey.
I have the same issue here. Mails used to send (like a week or two ago). Now they don't. Didn't change the code. I need to test the email notifications of my website! Would be nice if someone could tell us what's going on?