| Messages | Bytes | Average | Sending host |
| 45 | 1329KB | 30KB | local |
| 3 | 774KB | 258KB | lists.isc.org |
| 34 | 285KB | 8583 | mx2.freebsd.org |
| 2 | 209KB | 105KB | (mailsrv45182.o-mx.com) |
| 1 | 166KB | 166KB | mx-hearst-j.sailthru.com |
| 1 | 162KB | 162KB | mta.em.trafalgar.com |
| 1 | 162KB | 162KB | o166.ptr78.mail.beehiiv.com |
| 1 | 153KB | 153KB | mail196.suw161.rsgsv.net |
| 1 | 139KB | 139KB | o73.ptr2459.newsletter.theneurondaily.com |
| 1 | 135KB | 135KB | mta4.email.canadiantire.ca |
| 1 | 127KB | 127KB | o167.ptr4513.mail.beehiiv.com |
| 1 | 111KB | 111KB | (mail213.suw121.mcdlv.net) |
| 1 | 111KB | 111KB | (mail116-77.us2.msgfocus.com) |
| 1 | 107KB | 107KB | mail116-78.us2.msgfocus.com |
| 1 | 106KB | 106KB | o4891.abmail.email.theguardian.com |
| 1 | 105KB | 105KB | mta237-168.sailthru.com |
| 1 | 100KB | 100KB | mail1.di.salemnewschannel.com |
| 1 | 97KB | 97KB | o168.ptr7383.mail.beehiiv.com |
| 1 | 93KB | 93KB | maile-aa.linkedin.com |
| 1 | 85KB | 85KB | 244-70.mailer.shopify.com |
| 1 | 81KB | 81KB | mail204.suw16.rsgsv.net |
| 1 | 81KB | 81KB | e4exsmp24.newegg.com |
| 1 | 80KB | 80KB | pmta180-105.sailthru.com |
| 1 | 77KB | 77KB | bh186-28.smtp-out.beehiivmail.net |
| 1 | 72KB | 72KB | mta.eml.renodepot.com |
| 1 | 69KB | 69KB | bh186-5.smtp-out.beehiivmail.net |
| 1 | 68KB | 68KB | o4.ptr1546.mail.beehiiv.com |
| 1 | 66KB | 66KB | mta-70-150-147.sparkpostmail.com |
| 1 | 58KB | 58KB | mail-lf1-f72.google.com |
| 1 | 54KB | 54KB | mta-203-32-151.info.grammarly.com.sparkpostmail.com |
| 1 | 51KB | 51KB | a35.a926d550.use4.send.mailgun.net |
| 1 | 48KB | 48KB | ccm232.constantcontact.com |
| 1 | 47KB | 47KB | im.d.sender-sib.com |
| 1 | 46KB | 46KB | bd77e8t.bf06.eu1.hubspotemail.net |
| 1 | 45KB | 45KB | mail-pl1-f199.google.com |
| 1 | 42KB | 42KB | a74-66.smtp-out.amazonses.com |
| 1 | 41KB | 41KB | smtp-newslist-54.fabricland.ca |
| 1 | 39KB | 39KB | ccm25.constantcontact.com |
| 1 | 35KB | 35KB | ccm175.constantcontact.com |
| 2 | 34KB | 17KB | directmail5.newspaperdirect.com |
| 1 | 31KB | 31KB | smtp-soi-g32-194.aweber.com |
| 1 | 27KB | 27KB | wfbtbbzq.outbound-mail.sendgrid.net |
| 1 | 26KB | 26KB | 69-171-232-129.mail-mail.facebook.com |
| 1 | 25KB | 25KB | 69-171-232-150.mail-mail.facebook.com |
| 1 | 23KB | 23KB | i92-108.smtp-out.amazonses.com |
| 5 | 19KB | 3891 | mail-qv1-f73.google.com |
| 1 | 19KB | 19KB | mail-eastus2azon11020082.outbound.protection.outlook.com |
| 1 | 19KB | 19KB | mail207.use1.acems3.com |
| 1 | 19KB | 19KB | mail-southcentralusazon11021124.outbound.protection.outlook.com |
| 1 | 19KB | 19KB | mail-southcentralusazon11023107.outbound.protection.outlook.com |