| Messages | Bytes | Average | Sending host |
| 1 | 7097KB | 7097KB | v514.v5f06b487.use4.send.mailgun.net |
| 47 | 1588KB | 34KB | local |
| 8 | 547KB | 68KB | lists.isc.org |
| 2 | 375KB | 188KB | vwts.mvm.hosting-nation.net |
| 1 | 269KB | 269KB | mail-canadacentralazon11020121.outbound.protection.outlook.com |
| 1 | 239KB | 239KB | (mail01.link.pentonfinancialservices.com) |
| 1 | 182KB | 182KB | mta4.email.canadiantire.ca |
| 1 | 172KB | 172KB | bg4.exmail.qq.com |
| 1 | 146KB | 146KB | (mail116-77.us2.msgfocus.com) |
| 20 | 139KB | 7116 | mx2.freebsd.org |
| 1 | 136KB | 136KB | mx-hearst-j.sailthru.com |
| 1 | 131KB | 131KB | o73.ptr2459.newsletter.theneurondaily.com |
| 1 | 129KB | 129KB | o13.ptr6032.mail.beehiiv.com |
| 1 | 128KB | 128KB | o170.ptr9231.mail.beehiiv.com |
| 1 | 118KB | 118KB | mailsrv4748.o-mx.com |
| 1 | 113KB | 113KB | mta237-168.sailthru.com |
| 1 | 105KB | 105KB | pmta181-67.sailthru.com |
| 1 | 100KB | 100KB | mail2.di.salemnewschannel.com |
| 1 | 87KB | 87KB | o167.ptr4513.mail.beehiiv.com |
| 1 | 84KB | 84KB | a27-29.smtp-out.us-west-2.amazonses.com |
| 1 | 79KB | 79KB | mail200-126.static.kajabimail.net |
| 1 | 76KB | 76KB | mail203.atl121.mcsv.net |
| 1 | 75KB | 75KB | mail-eastus2azacs10200045.outbound.protection.outlook.com |
| 1 | 66KB | 66KB | mailsrv45182.o-mx.com |
| 1 | 62KB | 62KB | a15-53.smtp-out.amazonses.com |
| 1 | 61KB | 61KB | o156.ptr293.mail.beehiiv.com |
| 2 | 52KB | 26KB | emx028.instillerhq.com |
| 1 | 52KB | 52KB | vsvhsspp.outbound-mail.sendgrid.net |
| 2 | 45KB | 23KB | mail37.atl91.mcsv.net |
| 1 | 44KB | 44KB | a174.a355d2fe.use4.send.mailgun.net |
| 1 | 44KB | 44KB | smtp.cluodme.com |
| 1 | 42KB | 42KB | mta.connect.isc2.org |
| 1 | 39KB | 39KB | smtp-soi-g14-141.aweber.com |
| 2 | 38KB | 19KB | directmail5.newspaperdirect.com |
| 1 | 33KB | 33KB | kl-203-16-7.kmta.shared.klaviyomail.com |
| 1 | 33KB | 33KB | mail-northcentralusazon11020124.outbound.protection.outlook.com |
| 1 | 33KB | 33KB | h176.h22bf2b1.use4.send.mailgun.net |
| 1 | 32KB | 32KB | mail-southindiaazhn15011021.outbound.protection.outlook.com |
| 1 | 30KB | 30KB | a15-234.smtp-out.amazonses.com |
| 1 | 28KB | 28KB | afy11.mta.exacttarget.com |
| 1 | 27KB | 27KB | mta3.cpro20.com |
| 1 | 22KB | 22KB | lists.squid-cache.org |
| 2 | 20KB | 10KB | (talvi.dovecot.org) |
| 1 | 19KB | 19KB | mail-westusazon11022113.outbound.protection.outlook.com |
| 1 | 19KB | 19KB | mail-westusazon11022137.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-southcentralusazon11021076.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | bems-prod-2.sassieshop.com |
| 1 | 18KB | 18KB | mail-northcentralusazon11022139.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-westusazon11020137.outbound.protection.outlook.com |
| 1 | 18KB | 18KB | mail-centralusazon11021139.outbound.protection.outlook.com |