Our company's admin is on the phone with NetSuite support about the fact that any invoice we sent through NetSuite displays "on behalf of system@netsuite.com" and the rep is questioning him as if he has never ever heard of this problem. When, in the meantime, we have received invoices from vendors that showed the same issue. netsuite (We did update the DKIM.)

@Eleni Palmos Our NetSuite upgraded to 2018.1 this morning and all of our NetSuite generated e-mails are also showing as coming from system@netsuite.com and 'on behalf of system@netsuite.com' in the from fields.

Did you get this fixed? We have this too! Not good.

We did! You need to involve your IT department. Have you done so?

SuiteAnswers article on this... https://netsuite.custhelp.com/app/answers/detail/a_id/73186