| Messages | Bytes | Average | Sending host |
| 49 | 350KB | 7314 | local |
| 20 | 162KB | 8294 | mx2.freebsd.org |
| 4 | 33KB | 8448 | smtp3.osuosl.org |
| 3 | 11KB | 3754 | mail-oa1-f73.google.com |
| 2 | 23KB | 12KB | smtp1.osuosl.org |
| 2 | 7847 | 3923 | mail-dl1-f74.google.com |
| 2 | 7779 | 3889 | mail-ot1-f73.google.com |
| 2 | 7509 | 3754 | mail-qk1-f201.google.com |
| 1 | 643KB | 643KB | mail-southindiaazon11021073.outbound.protection.outlook.com |
| 1 | 180KB | 180KB | o4891.abmail.email.theguardian.com |
| 1 | 156KB | 156KB | mx-hearst-b.sailthru.com |
| 1 | 151KB | 151KB | mail116-77.us2.msgfocus.com |
| 1 | 147KB | 147KB | o166.ptr78.mail.beehiiv.com |
| 1 | 136KB | 136KB | o167.ptr4513.mail.beehiiv.com |
| 1 | 112KB | 112KB | (mailsrv4574.o-mx.com) |
| 1 | 111KB | 111KB | a13-7.smtp-out.amazonses.com |
| 1 | 110KB | 110KB | mta237-186.sailthru.com |
| 1 | 108KB | 108KB | a27-45.smtp-out.us-west-2.amazonses.com |
| 1 | 107KB | 107KB | fenicemedia-smtp7.myhyve.com |
| 1 | 105KB | 105KB | pmta181-39.sailthru.com |
| 1 | 100KB | 100KB | a15-229.smtp-out.amazonses.com |
| 1 | 99KB | 99KB | mail2.di.salemnewschannel.com |
| 1 | 86KB | 86KB | mail-northcentralusazacs10202071.outbound.protection.outlook.com |
| 1 | 84KB | 84KB | o4.ptr1546.mail.beehiiv.com |
| 1 | 83KB | 83KB | mailsrv4748.o-mx.com |
| 1 | 76KB | 76KB | mta.em.sobeys.com |
| 1 | 76KB | 76KB | mta-203-32-158.info.grammarly.com.sparkpostmail.com |
| 1 | 63KB | 63KB | mta3.cpro20.com |
| 1 | 60KB | 60KB | o14.ptr1576.mail.beehiiv.com |
| 1 | 57KB | 57KB | maile-ae.linkedin.com |
| 1 | 53KB | 53KB | (mail89.sea41.rsgsv.net) |
| 1 | 45KB | 45KB | smtp-soi-g14-141.aweber.com |
| 1 | 32KB | 32KB | maile-bd.linkedin.com |
| 1 | 29KB | 29KB | v512.v51e342bd.use4.send.mailgun.net |
| 1 | 26KB | 26KB | ccm24.constantcontact.com |
| 1 | 18KB | 18KB | mail-southcentralusazon11022133.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-southcentralusazon11021088.outbound.protection.outlook.com |
| 1 | 17KB | 17KB | directmail.newspaperdirect.com |
| 1 | 17KB | 17KB | directmail4.newspaperdirect.com |
| 1 | 17KB | 17KB | newmta6-40.142.etransmail.com |
| 1 | 17KB | 17KB | mail-centralusazon11020139.outbound.protection.outlook.com |
| 1 | 10KB | 10KB | mail-oi1-f193.google.com |
| 1 | 9708 | 9708 | (server.34sayfam.net) |
| 1 | 6897 | 6897 | lists1p.gnu.org |
| 1 | 5943 | 5943 | mail-m82213684.xmail.ntesmail.com |
| 1 | 5350 | 5350 | mxout2-ec2-ie.apache.org |
| 1 | 5165 | 5165 | mail-ed1-f52.google.com |
| 1 | 3983 | 3983 | mail-dy1-f202.google.com |
| 1 | 3979 | 3979 | mail-oi1-f202.google.com |
| 1 | 3837 | 3837 | mail-vk1-f201.google.com |