| Messages | Bytes | Average | Sending host |
| 50 | 3254KB | 65KB | local |
| 1 | 1922KB | 1922KB | mail-m15599.qiye.163.com |
| 2 | 374KB | 187KB | (m1.experience.globalsources.com) |
| 1 | 237KB | 237KB | (mail02.link.pentonfinancialservices.com) |
| 1 | 192KB | 192KB | vwts.mvm.hosting-nation.net |
| 1 | 146KB | 146KB | o171.ptr9046.mail.beehiiv.com |
| 1 | 127KB | 127KB | o168.ptr7383.mail.beehiiv.com |
| 1 | 123KB | 123KB | o4891.abmail.email.theguardian.com |
| 1 | 111KB | 111KB | mta236-51.sailthru.com |
| 14 | 106KB | 7753 | mx2.freebsd.org |
| 1 | 105KB | 105KB | pmta181-67.sailthru.com |
| 1 | 101KB | 101KB | mailsrv4463.o-mx.com |
| 1 | 101KB | 101KB | e252-96.smtp-out.amazonses.com |
| 1 | 99KB | 99KB | mta.em.safeway.ca |
| 1 | 98KB | 98KB | mail2.di.salemnewschannel.com |
| 1 | 95KB | 95KB | (mta.em.sobeys.com) |
| 1 | 92KB | 92KB | o156.ptr293.mail.beehiiv.com |
| 1 | 88KB | 88KB | mail-centralusazacs10201071.outbound.protection.outlook.com |
| 1 | 74KB | 74KB | ptqld3z2.h5.hilton.com |
| 1 | 72KB | 72KB | mail203.atl121.mcsv.net |
| 1 | 68KB | 68KB | mail2.aospb.com |
| 2 | 68KB | 34KB | me-ss2-yqmz7d.mailengine1.com |
| 1 | 65KB | 65KB | v5142.v53d22425.usw1.send.mailgun.net |
| 1 | 65KB | 65KB | mailsrv4574.o-mx.com |
| 1 | 62KB | 62KB | maile-db.linkedin.com |
| 1 | 58KB | 58KB | a174.a355d2fe.use4.send.mailgun.net |
| 2 | 52KB | 26KB | tram.compute.dc.uq.edu.au |
| 1 | 52KB | 52KB | mta-70-5-44.nhl.sparkpostmail.com |
| 1 | 51KB | 51KB | mta6.eg.expedia.com |
| 1 | 45KB | 45KB | bg4.exmail.qq.com |
| 2 | 40KB | 20KB | directmail.newspaperdirect.com |
| 1 | 36KB | 36KB | smtp-soi-g25-173.aweber.com |
| 1 | 31KB | 31KB | afy11.mta.exacttarget.com |
| 1 | 24KB | 24KB | (bus.compute.dc.uq.edu.au) |
| 1 | 19KB | 19KB | mail-westus3azon11020079.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-eastusazon11022128.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-southcentralusazon11023106.outbound.protection.outlook.com |
| 1 | 17KB | 17KB | mail-southcentralusazon11022137.outbound.protection.outlook.com |
| 1 | 17KB | 17KB | mail-westus2azon11020088.outbound.protection.outlook.com |
| 1 | 17KB | 17KB | mail-southcentralusazon11021075.outbound.protection.outlook.com |
| 1 | 17KB | 17KB | o6.p10.mailjet.com |
| 1 | 17KB | 17KB | send80.i.mail.ru |
| 1 | 17KB | 17KB | o46.p11.mailjet.com |
| 1 | 16KB | 16KB | train.compute.dc.uq.edu.au |
| 1 | 13KB | 13KB | mail-pl1-f196.google.com |
| 2 | 13KB | 6656 | smtp4.osuosl.org |
| 1 | 13KB | 13KB | mail-pl1-f193.google.com |
| 3 | 11KB | 3754 | mail-qv1-f73.google.com |
| 1 | 11KB | 11KB | mail-wm1-f41.google.com |
| 1 | 7804 | 7804 | mail-m127221.xmail.ntesmail.com |