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

72%

Protocol

SMTP

Top IPs by event count

IP Address	Risk	Events	Sessions	Country	ASN	Last Seen
194.26.192.102	91%	54,308	11,426	🇳🇱 NL	AS210558	2026-03-02
77.83.39.90	88%	1,121	375	🇺🇦 UA	AS214940	2026-02-22
45.144.212.199	81%	830	227	🇺🇦 UA	AS214940	2026-03-02
195.250.31.127	84%	812	123	🇮🇳 IN	AS199404	2026-02-21
77.83.39.200	73%	279	51	🇺🇦 UA	AS214940	2026-02-10
77.83.39.250	71%	264	91	🇺🇦 UA	AS214940	2026-03-01
45.92.1.9	68%	151	23	🇳🇱 NL	AS210558	2026-02-08
77.83.39.209	67%	140	20	🇺🇦 UA	AS214940	2026-02-03
45.144.212.50	74%	138	93	🇺🇦 UA	AS214940	2026-02-23
20.163.72.8	80%	118	17	🇺🇸 US	AS8075	2026-02-09
45.144.212.43	96%	117	117	🇺🇦 UA	AS214940	2026-03-03
77.83.39.169	82%	101	48	🇺🇦 UA	AS214940	2026-03-01
45.144.212.169	78%	95	53	🇺🇦 UA	AS214940	2026-02-28
77.83.39.147	60%	76	40	🇺🇦 UA	AS214940	2026-02-22
77.83.39.99	74%	76	76	🇺🇦 UA	AS214940	2026-03-01
77.83.39.220	71%	73	72	🇺🇦 UA	AS214940	2026-03-02
77.83.39.58	77%	67	47	🇺🇦 UA	AS214940	2026-02-22
184.168.125.210	69%	36	5	🇸🇬 SG	AS26496	2026-02-10
20.57.177.230	46%	29	14	🇺🇸 US	AS8075	2026-03-02
45.144.212.243	44%	26	12	🇺🇦 UA	AS214940	2026-02-18