| Messages | Bytes | Average | Sending host |
| 1 | 5536KB | 5536KB | mail-pg1-f174.google.com |
| 208 | 5533KB | 27KB | local |
| 10 | 5110KB | 511KB | vwts.mvm.hosting-nation.net |
| 1 | 1922KB | 1922KB | mail-m15599.qiye.163.com |
| 1 | 1395KB | 1395KB | mail-pf1-f171.google.com |
| 1 | 1394KB | 1394KB | mail-pf1-f178.google.com |
| 12 | 551KB | 46KB | (getluff.com) |
| 1 | 485KB | 485KB | mail-wr1-f48.google.com |
| 1 | 451KB | 451KB | mail1.immuniweb.com |
| 2 | 374KB | 187KB | (m1.experience.globalsources.com) |
| 44 | 344KB | 8005 | mx2.freebsd.org |
| 2 | 310KB | 155KB | akz29.mta.exacttarget.com |
| 8 | 286KB | 36KB | me-ss2-yqmz7d.mailengine1.com |
| 1 | 237KB | 237KB | (mail02.link.pentonfinancialservices.com) |
| 2 | 233KB | 117KB | o73.ptr2459.newsletter.theneurondaily.com |
| 2 | 229KB | 115KB | mta.em.safeway.ca |
| 2 | 214KB | 107KB | (mail116-78.us2.msgfocus.com) |
| 4 | 199KB | 50KB | mta.member-services.ca |
| 2 | 199KB | 100KB | mta2.em.sobeys.com |
| 2 | 196KB | 98KB | o168.ptr7383.mail.beehiiv.com |
| 3 | 190KB | 63KB | mailout1371.ngpweb.com |
| 3 | 186KB | 62KB | a95.a926d550.use4.send.mailgun.net |
| 1 | 185KB | 185KB | ar153.mta.exacttarget.com |
| 1 | 184KB | 184KB | maild-bd.linkedin.com |
| 3 | 177KB | 59KB | mta.action.liberal.ca |
| 1 | 169KB | 169KB | mail6.atl281.mcsv.net |
| 1 | 166KB | 166KB | mta.eml.renodepot.com |
| 1 | 164KB | 164KB | mta.email.pcoptimum.ca |
| 1 | 157KB | 157KB | o170.ptr9231.mail.beehiiv.com |
| 1 | 154KB | 154KB | mail98.suw111.mcdlv.net |
| 2 | 149KB | 75KB | on.ismg-news.com |
| 1 | 146KB | 146KB | o171.ptr9046.mail.beehiiv.com |
| 1 | 146KB | 146KB | o1.mail.beehiiv.com |
| 2 | 145KB | 73KB | maile-da.linkedin.com |
| 3 | 144KB | 48KB | o1.contacts.unitedconservative.ca |
| 2 | 140KB | 70KB | s.wfbtzknp.outbound-mail.sendgrid.net |
| 1 | 140KB | 140KB | mail12.msnd132.inmoo.net |
| 1 | 140KB | 140KB | mail-canadacentralazon11022141.outbound.protection.outlook.com |
| 1 | 131KB | 131KB | mta-70-150-128.sparkpostmail.com |
| 2 | 131KB | 66KB | ccm181.constantcontact.com |
| 1 | 131KB | 131KB | mail7.suw231.rsgsv.net |
| 1 | 130KB | 130KB | a13-163.smtp-out.amazonses.com |
| 1 | 128KB | 128KB | (mail02.e.desjardins.com) |
| 1 | 123KB | 123KB | o4891.abmail.email.theguardian.com |
| 1 | 123KB | 123KB | mta47.us-west-1.e.alterian.net |
| 1 | 119KB | 119KB | mta.emails.norton.com |
| 1 | 118KB | 118KB | mta-70-150-129.sparkpostmail.com |
| 1 | 118KB | 118KB | smtp02.payments.interac.ca |
| 3 | 117KB | 39KB | o37.email.rs.ca.nextdoor.com |
| 2 | 116KB | 58KB | a174.a355d2fe.use4.send.mailgun.net |