Add `SMTP_RETURN_PATH` environment variable to set bounce domain (#17886)
Add `SMTP_RETURN_PATH` environment variable to set bounce domain (#17886)


tootcafe/mastodon,maa123/mastodon,theoria24/mastodon,ykzts/mastodon,imas/mastodon,musashino205/mastodon,tootcafe/mastodon,glitch-soc/mastodon,h3zjp/mastodon,Ryanaka/mastodon,h3zjp/mastodon,im-in-space/mastodon,imas/mastodon,gol-cha/mastodon,masto-donte-com-br/mastodon,maa123/mastodon,Ryanaka/mastodon,masto-donte-com-br/mastodon,Ryanaka/mastodon,theoria24/mastodon,cobodo/mastodon,MitarashiDango/mastodon,yukimochi/mastodon,glitch-soc/mastodon,musashino205/mastodon,koba-lab/mastodon,koba-lab/mastodon,cobodo/mastodon,ykzts/mastodon,gol-cha/mastodon,theoria24/mastodon,pinfort/mastodon,MitarashiDango/mastodon,pinfort/mastodon,yukimochi/mastodon,im-in-space/mastodon,musashino205/mastodon,pinfort/mastodon,theoria24/mastodon,masto-donte-com-br/mastodon,MitarashiDango/mastodon,yukimochi/mastodon,cobodo/mastodon,cobodo/mastodon,imas/mastodon,h3zjp/mastodon,imas/mastodon,MitarashiDango/mastodon,Ryanaka/mastodon,tootcafe/mastodon,im-in-space/mastodon,musashino205/mastodon,pinfort/mastodon,h3zjp/mastodon,ykzts/mastodon,koba-lab/mastodon,masto-donte-com-br/mastodon,maa123/mastodon,im-in-space/mastodon,glitch-soc/mastodon,glitch-soc/mastodon,tootcafe/mastodon,ykzts/mastodon,gol-cha/mastodon,yukimochi/mastodon,maa123/mastodon,gol-cha/mastodon,koba-lab/mastodon