Help--email issue last Sat it stopped working, all of a sudden

Hello,

I have had this site up for over a year and everything has always worked great. http://grimmandgorly.com/cart/

I have 1.39 installed and haven't upgraded mainly because I have a ton of customizations to it....But it has always worked.

We just realized that apparently starting last Sat it stopped working, all of a sudden. It works but doesn't send any emails at all. It doesn't send the confirmation email to either the admin nor the customer.

Plus I just logged in and filled out the contact form and also tried sending email directly from the site but that didn't work either.

I have one other site hosted on the exact same server and tested that one and it works great...so the issue is not the server.

Any idea what it might be? We nor the client have touched it. It was setup for php mail but I have switched it to sendmail and it didn't work either. It is a flower shop and with fathers day on monday I'm in a bit of a time crunch. I have searched the forums and can't find anything

thanks

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DrByte:

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Thanks, After a ton of research I realized it was my clients email service (godaddy) that was blocking the automated emails, the ip address all of sudden had a low score.

I figured out it was on godaddy's end by switching the location of where the emails where going to a non godaddy account (yahoo) and it came though

thanks