| Messages | Bytes | Average | Sending host |
| 560 | 3133KB | 5728 | local |
| 22 | 175KB | 8145 | mx2.freebsd.org |
| 2 | 277KB | 139KB | o166.ptr78.mail.beehiiv.com |
| 2 | 17KB | 8704 | smtp1.osuosl.org |
| 1 | 3263KB | 3263KB | mail-qk1-f172.google.com |
| 1 | 3183KB | 3183KB | (regular1-12.263.net) |
| 1 | 238KB | 238KB | hkawsserv14.globalsources.com |
| 1 | 174KB | 174KB | hearst-i.sailthru.com |
| 1 | 148KB | 148KB | a13-82.smtp-out.amazonses.com |
| 1 | 137KB | 137KB | o73.ptr2459.newsletter.theneurondaily.com |
| 1 | 125KB | 125KB | p-east2-cluster5-host5-snip4-10.eps.apple.com |
| 1 | 123KB | 123KB | a15-242.smtp-out.amazonses.com |
| 1 | 111KB | 111KB | mta236-51.sailthru.com |
| 1 | 109KB | 109KB | mailsrv4763.o-mx.com |
| 1 | 99KB | 99KB | mail2.di.salemnewschannel.com |
| 1 | 96KB | 96KB | pmta181-39.sailthru.com |
| 1 | 89KB | 89KB | e252-38.smtp-out.amazonses.com |
| 1 | 87KB | 87KB | mail-westus2azacs10202026.outbound.protection.outlook.com |
| 1 | 86KB | 86KB | a15-99.smtp-out.amazonses.com |
| 1 | 86KB | 86KB | o4891.abmail.email.theguardian.com |
| 1 | 78KB | 78KB | (mailsrv4464.o-mx.com) |
| 1 | 62KB | 62KB | smtp-soi-g14-139.aweber.com |
| 1 | 49KB | 49KB | o4.ptr1546.mail.beehiiv.com |
| 1 | 47KB | 47KB | mx46.207.mailingtheplan.it |
| 1 | 42KB | 42KB | ccm177.constantcontact.com |
| 1 | 42KB | 42KB | v514.v5f06b487.use4.send.mailgun.net |
| 1 | 29KB | 29KB | mta.nl.npr.org |
| 1 | 22KB | 22KB | (mtaout.asdevents.com) |
| 1 | 20KB | 20KB | directmail.newspaperdirect.com |
| 1 | 20KB | 20KB | directmail5.newspaperdirect.com |
| 1 | 19KB | 19KB | mail-eastusazon11021076.outbound.protection.outlook.com |
| 1 | 19KB | 19KB | mail-westcentralusazon11020125.outbound.protection.outlook.com |
| 1 | 19KB | 19KB | mail-eastus2azon11021088.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-eastusazon11022081.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-westus3azon11022090.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-southcentralusazon11022115.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-westus3azon11022103.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-westus3azon11021109.outbound.protection.outlook.com |
| 1 | 17KB | 17KB | mail-centralusazon11021086.outbound.protection.outlook.com |
| 1 | 16KB | 16KB | mail-japaneastazolkn19012062.outbound.protection.outlook.com |
| 1 | 16KB | 16KB | mail-japanwestazolkn19012056.outbound.protection.outlook.com |
| 1 | 14KB | 14KB | srv.blastmasters.biz |
| 1 | 11KB | 11KB | smtp4.osuosl.org |
| 1 | 11KB | 11KB | lists.isc.org |
| 1 | 9030 | 9030 | (durham.phytomemone.shop) |
| 1 | 8263 | 8263 | mail-ed1-f47.google.com |
| 1 | 8244 | 8244 | mail-pl1-f198.google.com |
| 1 | 7443 | 7443 | (cumin.exim.org) |
| 1 | 6678 | 6678 | mail-pj1-f68.google.com |
| 1 | 6462 | 6462 | (mail.creativecomms.co.kr) |