Re: Computer systems blamed for feeble hurricane response?
At 05:10 PM 13/09/2005, kent crispin wrote:
Port 587?
Not everyone implements that. You would make a large part of the internet unreachable via email vinyl# telnet mx2.mail.yahoo.com 587 Trying 67.28.114.36... telnet: connect to address 67.28.114.36: Connection refused Trying 4.79.181.13... ---Mike
On 9/14/05, Mike Tancsa <mike@sentex.net> wrote:
Port 587? Not everyone implements that. You would make a large part of the internet unreachable via email vinyl# telnet mx2.mail.yahoo.com 587 Trying 67.28.114.36... telnet: connect to address 67.28.114.36: Connection refused Trying 4.79.181.13...
Wrong host. 587 / msa is for outbound email suresh@frodo 16:57:22 [~]$ telnet smtp.mail.yahoo.com 587 Trying 216.136.173.18... Connected to smtp.mail.yahoo.com (216.136.173.18). Escape character is '^]'. 220 smtp017.mail.yahoo.com ESMTP quit 221 smtp017.mail.yahoo.com Connection closed by foreign host. -- Suresh Ramasubramanian (ops.lists@gmail.com)
At 07:28 AM 14/09/2005, Suresh Ramasubramanian wrote:
On 9/14/05, Mike Tancsa <mike@sentex.net> wrote:
Port 587? Not everyone implements that. You would make a large part of the internet unreachable via email vinyl# telnet mx2.mail.yahoo.com 587 Trying 67.28.114.36... telnet: connect to address 67.28.114.36: Connection refused Trying 4.79.181.13...
Wrong host. 587 / msa is for outbound email
Sorry, my point was that you could not just assume the sending host was a mail server by connecting back to the host on the submission port as it might not be listening on that port or that because the host sending is not in the MX list, that its not a mail server. ---Mike
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Mike Tancsa -
Suresh Ramasubramanian