Smtp Body Relay Delivery Notice

SMTP message body containing a delivery notice indicating the email was relayed from a specific source IP and port (for example “Email delivered from [ip] with port [port]”), reflecting relay attribution text embedded in the message content.

Observed IPs

Avg Confidence

69%

Protocol

SMTP

Top IPs by event count

IP Address	Risk	Events	Sessions	Country	ASN	Last Seen
194.26.192.102	95%	54,364	11,476	🇳🇱 NL	AS210558	2026-03-17
185.241.208.170	100%	2,602	1,494	🇵🇱 PL	AS210558	2026-04-01
77.83.39.90	88%	1,121	375	🇺🇦 UA	AS214940	2026-02-22
45.144.212.199	80%	878	275	🇺🇦 UA	AS214940	2026-04-08
195.250.31.127	84%	812	123	🇮🇳 IN	AS199404	2026-02-21
77.83.39.173	90%	768	711	🇺🇦 UA	AS214940	2026-04-15
45.144.212.43	98%	433	422	🇺🇦 UA	AS214940	2026-04-13
77.83.39.250	71%	305	132	🇺🇦 UA	AS214940	2026-03-26
77.83.39.58	81%	240	220	🇺🇦 UA	AS214940	2026-04-04
77.83.39.169	82%	168	115	🇺🇦 UA	AS214940	2026-04-16
45.144.212.50	81%	164	119	🇺🇦 UA	AS214940	2026-04-14
77.83.39.42	98%	161	161	🇺🇦 UA	AS214940	2026-04-16
77.83.39.147	79%	148	112	🇺🇦 UA	AS214940	2026-04-06
77.83.39.220	73%	141	140	🇺🇦 UA	AS214940	2026-03-14
77.83.39.99	74%	122	122	🇺🇦 UA	AS214940	2026-03-10
208.115.124.202	79%	113	113	🇺🇸 US	AS27323	2026-03-25
45.144.212.169	78%	108	66	🇺🇦 UA	AS214940	2026-03-13
185.169.4.16	74%	105	91	🇬🇧 GB	AS209605	2026-04-15
45.144.212.243	46%	75	60	🇺🇦 UA	AS214940	2026-04-07
77.83.39.161	80%	60	59	🇺🇦 UA	AS214940	2026-04-02