Jul  7 13:46:11 srv1 sendmail[12477]: h679k1F12453: to=SFC@bk.ru, ctladdr=root (0/0), delay=00:00:10, xdelay=00:00:04, mailer=esmtp, pri=31193, relay=mxs.mail.ru. [194.67.23.20], dsn=5.0.0, stat=Service unavailable
Jul  7 14:26:56 srv1 sendmail[27195]: h67AQo527192: to=SFC@bk.ru, ctladdr=root (0/0), delay=00:00:06, xdelay=00:00:06, mailer=esmtp, pri=31466, relay=mxs.mail.ru. [194.67.23.20], dsn=5.0.0, stat=Service unavailable
Jul  7 15:33:24 srv1 sendmail[17626]: h67BXNt17623: to=SFC@bk.ru, ctladdr=root (0/0), delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=31188, relay=mxs.mail.ru. [194.67.23.20], dsn=5.0.0, stat=Service unavailable