Emergency maintenance: microco.sm domain suspended and moving to microcosm.app

No auth issues on emails I received today from Sendgrid landing at Gmail.

Authentication-Results: mx.google.com;

   dkim=pass header.i=@microcosm.app header.s=s1 header.b=Q+ZUwPZY;
   dkim=pass header.i=@sendgrid.info header.s=smtpapi header.b=g2EoFpRv;
   spf=pass (google.com: domain of bounces+151537-6093-*****=googlemail.com@em8141.microcosm.app designates 192.254.117.114 as permitted sender) smtp.mailfrom="bounces+151537-6093-*****=googlemail.com@em8141.microcosm.app";
   dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=microcosm.app