Setting "Sender=None" will remove the Sender: header: Sender: INFOhio - The Information Network for Ohio Schools <[log in to unmask]> And retain the From: header: From: [log in to unmask] That's probably not what you want. Aside from not solving your original problem (hiding the sender's identity), it creates another: your list messages will now fail Sender-ID checks and likely end up in the Spam folder because the message will appear to originate from the EMAIL.ADDRESS domain despite being distributed by the LISTSERV.OECN.K12.OH.US domain. The only case in which LISTSERV will re-write the From: header is when the sending domain publishes a DMARC record: http://www.lsoft.com/manuals/16.0/LISTSERV16.0-2014b_WhatsNew.pdf -- Liam Kelly Senior Consulting Analyst L-Soft international [log in to unmask] LISTSERV® – Because Your Email Matters. Get email insights for 2016 http://www.lsoft.com/flipbooks/emailmatters/ -----Original Message----- From: [log in to unmask] [mailto:[log in to unmask]] On Behalf Of Charles Schmiesing Sent: Wednesday, February 01, 2017 7:59 AM To: LISTSERV List Owners' Forum Subject: RE: Can sender's email address be hidden? Thanks Michael. I just put the "Sender=None" in place and will see how it impacts my list. Thanks again, Charles _______________________________________________________________ Charles R. Schmiesing Technical Support | INFOhio 1920 Slabtown Rd, Lima, OH 45801 (614) 275-4769 ext. 509 | [log in to unmask] | http://www.infohio.org Facebook: http://facebook.com/INFOhio | Twitter: http://twitter.com/infohio Check out our new blog on teaching with INFOhio. Stay Connected with INFOhio all school year long for updates on new classroom resources! ############################ To unsubscribe from the LSTOWN-L list: write to: mailto:[log in to unmask] or click the following link: http://peach.ease.lsoft.com/scripts/wa-PEACH.exe?SUBED1=LSTOWN-L&A=1