Hello @DeirdreS122 ,   Only four columns will be available when exporting segments- email, first name, last name, date added. You'll need to add your segment to a list and export from there if you want more options.    Due to how the segmentation system works, and the constant calculations and server load it demands, the devs do not have plans to expand the number of contact fields available when exporting a segment. ... View more

Hello @CarolS5320 ,   According to our Compliance/Delivery team, your issue is more tied to the authenticated address' sending reputation. The only true "fix" is to continue sending without getting large numbers of spam/unsubscribes, and to give your reputation time to increase.    If you have further questions regarding this, I'd advise speaking with the Delivery team directly.  ... View more

Hello @DeirdreS122 ,   Please call our general support so they can troubleshoot the issue live, and confirm where in your account the erroneous spaces are so they can work to remove / edit them. ... View more