Port Details - Port 587

Oct 24 36 Oct 25 34 Oct 26 40 Oct 27 19 Oct 28 53 Oct 29 29 Oct 30 36 Oct 31 33 Nov 01 20 Nov 02 61 Nov 03 32 Nov 04 40 Nov 05 29 Nov 06 34 Nov 07 26 Nov 08 19 Nov 09 25 Nov 10 42 Nov 11 24 Nov 12 42 Nov 13 24 Nov 14 22 Nov 15 29 Nov 16 23 Nov 17 43 Nov 18 40 Nov 19 23 Nov 20 21 Nov 21 13 Oct 24 47 Oct 25 25 Oct 26 36 Oct 27 23 Oct 28 37 Oct 29 37 Oct 30 42 Oct 31 19 Nov 01 226 Nov 02 46 Nov 03 31 Nov 04 30 Nov 05 30 Nov 06 39 Nov 07 231 Nov 08 24 Nov 09 18 Nov 10 29 Nov 11 24 Nov 12 23 Nov 13 21 Nov 14 25 Nov 15 19 Nov 16 23 Nov 17 37 Nov 18 29 Nov 19 20 Nov 20 24 Nov 21 18
[show ascii data]
  • Start Date:
  • End Date:
  • Port:
  • Left Graph:
  • Right Graph:
  • Show Range:Yes No

Port Information

ProtocolServiceName
tcpsubmission
udpsubmission
[get complete service list]

User Comment

Submitted ByDate
Comment
Ernesto J. Martinez-Santiago2008-07-27 04:12:35
3.1. Submission Identification Port 587 is reserved for email message submission as specified in this document. Messages received on this port are defined to be submissions. The protocol used is ESMTP [SMTP-MTA, ESMTP], with additional restrictions as specified here. While most email clients and servers can be configured to use port 587 instead of 25, there are cases where this is not possible or convenient. A site MAY choose to use port 25 for message submission, by designating some hosts to be MSAs and others to be MTAs. ---------- This information comes from http://www.ietf.org/rfc/rfc2476.txt
Add a comment

CVE Links

CVE #Description