| Messages | Bytes | Average | Sending host |
| 2 | 5343KB | 2672KB | bg4.exmail.qq.com |
| 133 | 2930KB | 22KB | local |
| 1 | 1721KB | 1721KB | mail-ed1-f53.google.com |
| 1 | 655KB | 655KB | mail-pg1-f199.google.com |
| 72 | 610KB | 8675 | mx2.freebsd.org |
| 1 | 372KB | 372KB | (mail.protector-tw.org) |
| 2 | 358KB | 179KB | vwts.mvm.hosting-nation.net |
| 2 | 239KB | 120KB | mail116-78.us2.msgfocus.com |
| 6 | 235KB | 39KB | me-ss2-yqmz7d.mailengine1.com |
| 3 | 215KB | 72KB | on.ismg-news.com |
| 2 | 194KB | 97KB | o31.ptr6229.mail.beehiiv.com |
| 1 | 189KB | 189KB | maild-gc.linkedin.com |
| 1 | 171KB | 171KB | smtpbgbr1.qq.com |
| 2 | 165KB | 83KB | mailsrv4748.o-mx.com |
| 1 | 164KB | 164KB | mail170.suw241.rsgsv.net |
| 2 | 155KB | 78KB | mailsrv4771.o-mx.com |
| 1 | 150KB | 150KB | ccm174.constantcontact.com |
| 1 | 149KB | 149KB | o168.ptr7383.mail.beehiiv.com |
| 1 | 148KB | 148KB | ccm185.constantcontact.com |
| 1 | 148KB | 148KB | mail48.nam.pb-dynmktg.com |
| 1 | 147KB | 147KB | mail33.sea61.rsgsv.net |
| 1 | 144KB | 144KB | mail72.atl91.mcsv.net |
| 1 | 142KB | 142KB | mx-hearst-j.sailthru.com |
| 3 | 138KB | 46KB | mta-203-33-162.malwarebytes.com.sparkpostmail.com |
| 1 | 132KB | 132KB | o166.ptr78.mail.beehiiv.com |
| 1 | 131KB | 131KB | mta9.e.zoom.us |
| 1 | 128KB | 128KB | o73.ptr2459.newsletter.theneurondaily.com |
| 1 | 126KB | 126KB | mta4.email.canadiantire.ca |
| 3 | 123KB | 41KB | o38.email.hs.ca.nextdoor.com |
| 1 | 123KB | 123KB | v547.v5375b7fa.use4.send.mailgun.net |
| 1 | 119KB | 119KB | mta-70-150-113.sparkpostmail.com |
| 1 | 117KB | 117KB | mail4.aospb.com |
| 1 | 115KB | 115KB | pmta181-39.sailthru.com |
| 1 | 114KB | 114KB | bh186-17.smtp-out.beehiivmail.net |
| 1 | 111KB | 111KB | a13-85.smtp-out.amazonses.com |
| 1 | 110KB | 110KB | mail-westusazacs10202046.outbound.protection.outlook.com |
| 1 | 110KB | 110KB | mta237-165.sailthru.com |
| 1 | 109KB | 109KB | p-west2-cluster4-host1-snip4-5.eps.apple.com |
| 1 | 108KB | 108KB | (DM1PR04CU001.outbound.protection.outlook.com) |
| 1 | 108KB | 108KB | mta8.e.lululemon.com |
| 1 | 106KB | 106KB | c141-221.smtp-out.amazonses.com |
| 1 | 105KB | 105KB | mta236-51.sailthru.com |
| 1 | 103KB | 103KB | o941.ecomm.lenovo.com |
| 1 | 103KB | 103KB | o943.ecomm.lenovo.com |
| 1 | 103KB | 103KB | mail166.atl291.mcsv.net |
| 2 | 103KB | 52KB | ccm202.constantcontact.com |
| 1 | 101KB | 101KB | mta4.e.shoppersdrugmart.ca |
| 1 | 100KB | 100KB | esa3-dor.bell.ca |
| 1 | 99KB | 99KB | mail1.di.salemnewschannel.com |
| 1 | 99KB | 99KB | o55.pigeon.quora.com |