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Keywords: SMTP session authentication failed
Thanks in advance for your help!
However some ISP's have a trick where you check your email with POP3 (which requires a userid and password) and then they remember you for a while so you can then do SMTP.
"Status 501.5.7.1 This system is not configured to relay from to for 195.31.155.200"
The problem started when my ISP installed a new mail server that required a password to send mail (i.e., ESMTP) (I guess it's an antispam measure). After the upgrade I had to modify my account properties in Outlook: in the server tab I had to enable "server authentication required" in the outgoing mail section; then I had to click on settings to specify a username and password.
By the way I was able to replicate the error "Status 501.5.7.1 This system is not configured to relay from alex@contur.it to alexal@icip.com for 195.31.155.200" simulating a mail send with Telnet.
You are getting the same error via Telnet, and the 10060 error occurs when Telnet or Postie do not receive a response from the server within a specified timeout period. The message indicates, "Error reading from network. Cause: connection timed out (10060)."
The server may not have responded within the specified time-out period because of an inordinate amount of traffic on the server.
It also looks also like they may have implemented ESMTP, as well as other measures to help prevent hijacking by spammers.
Article ID: W14434
Filename: SMTP Session Authentication Failed.txt
File Created: 2004:09:28:13:41:24
Last Updated: 2004:09:28:13:41:24