Rejection Statistics (top 25) Top Rules reject (114) milter-reject (40) Top Domains igm.nsc.ru (54) em2580.bpinternational.org (38) sendgrid.net (20) service.ran-nauka.ru (16) zurtt.ru (5) em5033.bpipromotion.org (4) em4188.worldchemistry.org (4) em5917.generis-publishing.com (3) em4212.conferencescigroup.com (3) bf02x.hubspotemail.net (2) bf02.hubspotfree.net (2) ncdelivery.rpconfseries.com (1) m1-service.pochta.ru (1) mg2.substack.com (1) Top Relays 176.214.78.230 (13) s.wfbtzhsd.outbound-mail.sendgrid.net (10) s.wrqvbvss.outbound-mail.sendgrid.net (10) black-horse-67382.zap.cloud (9) s.dhtrpnth.outbound-mail.sendgrid.net (8) sender8438.msndr.net (8) s.wfbtzhhx.outbound-mail.sendgrid.net (8) s.xtrwrsfk.outbound-mail.sendgrid.net (6) 185.82.126.227 (6) ftp.zurtt.ru (5) s.wfbtzhsw.outbound-mail.sendgrid.net (5) s.wrqvtvvn.outbound-mail.sendgrid.net (5) sender8448.msndr.net (5) s.wrqvtbkv.outbound-mail.sendgrid.net (5) 87.117.11.57 (4) s.wrqvwxzv.outbound-mail.sendgrid.net (3) 176.65.144.216 (3) 62.60.190.212 (3) 165.154.254.11 (3) xtrwrrtd.outbound-mail.sendgrid.net (3) o44.ptr2526.volumemail.in (3) sender8416.msndr.net (3) cyan-stingray-65891.zap.cloud (3) s.wrqvtzvf.outbound-mail.sendgrid.net (2) 185.208.159.90 (2) Top Senders bounces 17487740-b629-redina=igm.nsc.ru@em2580.bpinternational.org (7) bounces 17487740-9355-vosel=igm.nsc.ru@em2580.bpinternational.org (6) bounces 17487740-f459-jenny=igm.nsc.ru@em2580.bpinternational.org (5) sender@zurtt.ru (5) alchem@igm.nsc.ru (5) kokh@igm.nsc.ru (5) bounces 17487740-5b2c-tolst=igm.nsc.ru@em2580.bpinternational.org (5) bounces 49983210-56a1-tarasov.alexey=igm.nsc.ru@sendgrid.net (4) bounces 49983210-253c-avg=igm.nsc.ru@sendgrid.net (4) sokol@igm.nsc.ru (4) bounces 49983210-f811-shchukinalena=igm.nsc.ru@sendgrid.net (4) bounces 49983210-12e8-tych=igm.nsc.ru@sendgrid.net (4) bounces 31057421-c265-korzhnevake=igm.nsc.ru@em4188.worldchemistry.org (4) bounces 49983210-58e0-kkr=igm.nsc.ru@sendgrid.net (4) bounces 43840727-7067-korsakov=igm.nsc.ru@em5917.generis-publishing.com (3) shelepovyu@igm.nsc.ru (3) bounces 34017884-cfce-simonovaea=igm.nsc.ru@em4212.conferencescigroup.com (3) bounces 17487740-923d-igor.ashchepkov=igm.nsc.ru@em2580.bpinternational.org (3) sharygin@igm.nsc.ru (3) bounces 16969586-3cc6-svp=igm.nsc.ru@em5033.bpipromotion.org (3) devyatiyarova@igm.nsc.ru (3) achepurov@igm.nsc.ru (3) chief@igm.nsc.ru (3) sokola@igm.nsc.ru (3) info@igm.nsc.ru (3) Top status Greylisted (60) This message is blocked due to security reason (40) Helo command rejected (29) Client host rejected cannot find your reverse hostname, (19) Sender address rejected (4) Recipient address rejected (1) User unknown (1)