| Messages | Bytes | Average | Sending host |
| 32 | 1430KB | 45KB | local |
| 26 | 210KB | 8270 | mx2.freebsd.org |
| 3 | 34KB | 11KB | smtp3.osuosl.org |
| 2 | 243KB | 122KB | o166.ptr78.mail.beehiiv.com |
| 2 | 33KB | 17KB | o12.p10.mailjet.com |
| 1 | 2005KB | 2005KB | mail-ed1-f42.google.com |
| 1 | 296KB | 296KB | bg5.exmail.qq.com |
| 1 | 141KB | 141KB | o73.ptr2459.newsletter.theneurondaily.com |
| 1 | 127KB | 127KB | o171.ptr9046.mail.beehiiv.com |
| 1 | 126KB | 126KB | mailsrv4574.o-mx.com |
| 1 | 112KB | 112KB | pmta181-39.sailthru.com |
| 1 | 111KB | 111KB | mta237-168.sailthru.com |
| 1 | 101KB | 101KB | mail2.di.salemnewschannel.com |
| 1 | 86KB | 86KB | mail-eastus2azacs10200041.outbound.protection.outlook.com |
| 1 | 63KB | 63KB | mailsrv45182.o-mx.com |
| 1 | 63KB | 63KB | o80.ptr4836.mail.beehiiv.com |
| 1 | 42KB | 42KB | smtp-soi-g30-188.aweber.com |
| 1 | 28KB | 28KB | mail-japaneastazolkn19012056.outbound.protection.outlook.com |
| 1 | 21KB | 21KB | directmail4.newspaperdirect.com |
| 1 | 17KB | 17KB | mail-centralusazon11021084.outbound.protection.outlook.com |
| 1 | 17KB | 17KB | directmail.newspaperdirect.com |
| 1 | 16KB | 16KB | o47.p11.mailjet.com |
| 1 | 14KB | 14KB | server335-1.web-hosting.com |
| 1 | 13KB | 13KB | bg4.exmail.qq.com |
| 1 | 11KB | 11KB | out208-129.dm.aliyun.com |
| 1 | 11KB | 11KB | smtp1.osuosl.org |
| 1 | 8627 | 8627 | mail-m8223.xmail.ntesmail.com |
| 1 | 6544 | 6544 | lists.squid-cache.org |