| Messages | Bytes | Average | Sending host |
| 63 | 1903KB | 30KB | local |
| 1 | 651KB | 651KB | mail-ed1-f69.google.com |
| 1 | 650KB | 650KB | mail-pg1-f198.google.com |
| 2 | 202KB | 101KB | mta237-168.sailthru.com |
| 1 | 172KB | 172KB | bg4.exmail.qq.com |
| 1 | 145KB | 145KB | o167.ptr4513.mail.beehiiv.com |
| 1 | 144KB | 144KB | mx-hearst-b.sailthru.com |
| 1 | 140KB | 140KB | o73.ptr2459.newsletter.theneurondaily.com |
| 1 | 136KB | 136KB | (mta4.email.canadiantire.ca) |
| 1 | 135KB | 135KB | o169.ptr1700.mail.beehiiv.com |
| 1 | 132KB | 132KB | mailsrv4464.o-mx.com |
| 1 | 128KB | 128KB | o14.ptr1576.mail.beehiiv.com |
| 1 | 123KB | 123KB | mail116-77.us2.msgfocus.com |
| 1 | 115KB | 115KB | mta2.e.shoppersdrugmart.ca |
| 1 | 112KB | 112KB | mail-eastus2azacs10201026.outbound.protection.outlook.com |
| 1 | 111KB | 111KB | a13-2.smtp-out.amazonses.com |
| 1 | 105KB | 105KB | pmta181-39.sailthru.com |
| 1 | 101KB | 101KB | mail2.di.salemnewschannel.com |
| 1 | 100KB | 100KB | (mail116-78.us2.msgfocus.com) |
| 1 | 95KB | 95KB | a27-31.smtp-out.us-west-2.amazonses.com |
| 1 | 91KB | 91KB | o33.ck.d.convertkit.com |
| 11 | 89KB | 8285 | mx2.freebsd.org |
| 1 | 84KB | 84KB | mta2.email.oldnavy.ca |
| 1 | 82KB | 82KB | mail-westus3azacs10200015.outbound.protection.outlook.com |
| 1 | 81KB | 81KB | maile-hd.linkedin.com |
| 1 | 80KB | 80KB | mailsrv4463.o-mx.com |
| 1 | 76KB | 76KB | o32.ptr6346.mail.beehiiv.com |
| 1 | 70KB | 70KB | mta.eml.renodepot.com |
| 2 | 68KB | 34KB | (me-ss2-w6ijqi.mailengine1.com) |
| 1 | 67KB | 67KB | maile-gc.linkedin.com |
| 1 | 63KB | 63KB | o170.ptr9231.mail.beehiiv.com |
| 1 | 63KB | 63KB | a11-142.smtp-out.amazonses.com |
| 1 | 60KB | 60KB | mail-oo1-f69.google.com |
| 5 | 59KB | 12KB | lists.isc.org |
| 1 | 58KB | 58KB | bh186-17.smtp-out.beehiivmail.net |
| 1 | 50KB | 50KB | (mailengine.8lmediamail.com) |
| 1 | 49KB | 49KB | a74-66.smtp-out.amazonses.com |
| 1 | 49KB | 49KB | d208-55.smtp-out.ca-central-1.amazonses.com |
| 1 | 49KB | 49KB | mta.nl.npr.org |
| 1 | 48KB | 48KB | (d208-55.smtp-out.ca-central-1.amazonses.com) |
| 1 | 47KB | 47KB | mta5.messages.classmates.com |
| 1 | 45KB | 45KB | smtp-newslist-54.fabricland.ca |
| 1 | 38KB | 38KB | smtp-soi-g22-165.aweber.com |
| 1 | 32KB | 32KB | h176.h22bf2b1.use4.send.mailgun.net |
| 1 | 28KB | 28KB | wfbtbbzq.outbound-mail.sendgrid.net |
| 1 | 24KB | 24KB | omta001.cacentral1.a.cloudfilter.net |
| 1 | 22KB | 22KB | 69-171-232-144.mail-mail.facebook.com |
| 1 | 22KB | 22KB | 69-171-232-138.mail-mail.facebook.com |
| 1 | 21KB | 21KB | mail-ed1-f71.google.com |
| 1 | 20KB | 20KB | directmail4.newspaperdirect.com |