May  8 11:53:17 gt1 sendmail[43855]: v459CNRs068201: SYSERR(root): timeout writing message to gmail-smtp-in.l.google.com.
May  8 11:53:19 gt1 sendmail[43855]: STARTTLS=client, relay=alt1.gmail-smtp-in.l.google.com., version=TLSv1.2, verify=FAIL, cipher=ECDHE-RSA-AES128-GCM-SHA256, bits=128/128
May  8 11:53:20 gt1 sendmail[43855]: v459CNRs068201: SYSERR(root): timeout writing message to alt1.gmail-smtp-in.l.google.com.
May  8 11:53:22 gt1 sendmail[43855]: STARTTLS=client, relay=alt2.gmail-smtp-in.l.google.com., version=TLSv1.2, verify=FAIL, cipher=ECDHE-RSA-AES128-GCM-SHA256, bits=128/128
May  8 11:53:22 gt1 sendmail[43855]: v459CNRs068201: SYSERR(root): timeout writing message to alt2.gmail-smtp-in.l.google.com.
May  8 11:53:23 gt1 sendmail[43855]: STARTTLS=client, relay=alt3.gmail-smtp-in.l.google.com., version=TLSv1.2, verify=FAIL, cipher=ECDHE-RSA-AES128-GCM-SHA256, bits=128/128
May  8 11:53:24 gt1 sendmail[43855]: v459CNRs068201: SYSERR(root): timeout writing message to alt3.gmail-smtp-in.l.google.com.
May  8 11:53:25 gt1 sendmail[43855]: STARTTLS=client, relay=alt4.gmail-smtp-in.l.google.com., version=TLSv1.2, verify=FAIL, cipher=ECDHE-RSA-AES128-GCM-SHA256, bits=128/128
May  8 11:53:25 gt1 sendmail[43855]: v459CNRs068201: SYSERR(root): timeout writing message to alt4.gmail-smtp-in.l.google.com.
May  8 11:53:25 gt1 sendmail[43855]: v459CNRs068201: to=<mydella@della.ua>, delay=2+23:41:01, xdelay=00:00:48, mailer=esmtp, pri=880640, relay=alt4.gmail-smtp-in.l.google.com. [74.125.201.26], dsn=4.0.0, stat=Deferred: Name server: alt4.gmail-smtp-in.l.google.com.: host name lookup failure
May  8 11:53:25 gt1 sm-mta[43860]: v488rMJx043860: from=<ghfrth@static.vnpt.vn>, size=718, class=0, nrcpts=1, msgid=<1262279014.20170508115300@yandex.ru>, proto=ESMTP, daemon=IPv4, relay=static.vnpt.vn [14.175.121.119] (may be forged)
May  8 11:53:25 gt1 sendmail[43855]: v43LZXUE025743: to=<mydella@della.ua>, delay=4+11:17:31, xdelay=00:00:00, mailer=esmtp, pri=892079, relay=alt4.gmail-smtp-in.l.google.com., dsn=4.0.0, stat=Deferred
May  8 11:53:25 gt1 sendmail[43855]: v43K2a6t024822: to=<gm.public@della.ua>, delay=4+12:50:31, xdelay=00:00:00, mailer=esmtp, pri=892102, relay=alt4.gmail-smtp-in.l.google.com., dsn=4.0.0, stat=Deferred
May  8 11:53:25 gt1 sendmail[43855]: v43KTHKp025047: to=<della@della.ua>, delay=4+12:23:49, xdelay=00:00:00, mailer=esmtp, pri=892137, relay=alt4.gmail-smtp-in.l.google.com., dsn=4.0.0, stat=Deferred
May  8 11:53:25 gt1 sendmail[43855]: v43Kn4mX025251: to=<my.della@della.ua>, delay=4+12:04:02, xdelay=00:00:00, mailer=esmtp, pri=892156, relay=alt4.gmail-smtp-in.l.google.com., dsn=4.0.0, stat=Deferred
May  8 11:53:25 gt1 sendmail[43855]: v446aOb3037680: to=<my.della@della.ua>, delay=4+02:16:42, xdelay=00:00:00, mailer=esmtp, pri=976480, relay=alt4.gmail-smtp-in.l.google.com., dsn=4.0.0, stat=Deferred
May  8 11:53:25 gt1 sendmail[43855]: v458iMVe067623: to=<della@della.ua>, delay=3+00:09:03, xdelay=00:00:00, mailer=esmtp, pri=1017830, relay=alt4.gmail-smtp-in.l.google.com., dsn=4.0.0, stat=Deferred
May  8 11:53:26 gt1 sm-mta[43862]: STARTTLS=client, relay=gmail-smtp-in.l.google.com., version=TLSv1.2, verify=FAIL, cipher=ECDHE-RSA-AES128-GCM-SHA256, bits=128/128
May  8 11:53:26 gt1 sendmail[43855]: v4851WtH040274: to=<support@della.ua>, delay=03:51:53, xdelay=00:00:00, mailer=esmtp, pri=1062689, relay=alt4.gmail-smtp-in.l.google.com., dsn=4.0.0, stat=Deferred