AliasSend guides
What Gmail’s January 2027 change means for addresses that are not Gmail, and the options you have, free ones first.
Gmail drops “Send mail as” for other addresses in January 2027: what you can do
From January 2027 Gmail stops sending from Yahoo, Hotmail, GMX, iCloud and own-domain addresses, and ends Gmailify and POP fetching. Every option to keep using your address, free ones first.