459367716 | 2026-09-23T09:16:08
220 keep.riverhhd.com ESMTP service ready
250-keep.riverhhd.com says hello
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250-8BITMIME
250-AUTH CRAM-MD5
250-AUTH=CRAM-MD5
250-XACK
250-SIZE 0
250-VERP
250-SMTPUTF8
250 DSN
-1549723849 | 2026-10-01T03:56:11
HTTP/1.1 200 OK
Date: Thu, 01 Oct 2026 03:56:11 GMT
Server: Apache/2.4.62 (AlmaLinux)
Last-Modified: Wed, 07 Aug 2019 15:17:31 GMT
ETag: "1423-58f887099b8c0"
Accept-Ranges: bytes
Content-Length: 5155
Content-Type: text/html; charset=UTF-8
Vulnerabilities
-566924393 | 2026-10-01T09:15:47
220 keep.riverhhd.com ESMTP service ready\r\n