unable to send e-mail because the domain (gmail.com) has been blacklisted due to spam

[emmak]

I'm launching my new shop tonight and came across a pretty serious glitch with the emails and Contact Us form.
Any emails being sent out welcoming people for registering, purchasing are being bounced back and I'm getting the following info in the returned emails.

xyz at gmail.com
SMTP error from remote mail server after MAIL FROM:<xyz at gmail.com>:
host gateway.websitewelcome.com [67.18.137.85]:
553 5.5.4 I was unable to send this e-mail because the domain ( gmail.com ) has been black listed due to spam or forgery.

I haven't been able to figure out where to change my zencart settings so that the sender/return email address is my [email protected] instead of the gmail account. I'm assuming that changing that setting should solve my issues even if the gmail is where my forwarded email goes to since it won't be listed as the original sender/return email?

[kobra]

I'm assuming that changing that setting should solve my issues even if the gmail is where my forwarded email goes to since it won't be listed as the original sender/return email?

What are your settings in admin > config > email?

[DrByte]

the domain ( gmail.com ) has been black listed due to spam or forgery.

If you want to stop *that* message from appearing, you'll need to call up Google and tell them their gmail servers have been blacklisted and get them to throw their weight around to fix it.
Sorry, that's not a Zen Cart issue.

Your other option is to use a real email account (ie: from your hosting company, tied to your domain) instead of a virtual one like gmail.