Can't send emails

Email setup and troubleshooting

Re: Can't send emails

Postby kitcho on Sun Jun 04, 2017 12:07 pm

Ok, did some quick learning and this is the result I get:

kitcho@shed:~$ telnet smtp.nsw.exemail.com.au 25
Trying 220.233.0.71...
Connected to smtp.po.exetel.com.au.
Escape character is '^]'.
220 smtp.exemail.com.au ESMTP - Here there be dragons!
HELO yahoo.co
250 smtp.exemail.com.au Hello cpe-60-230-87-196.lns3.win.bigpond.net.au [60.230.87.196]
HELO yahoo.com
250 smtp.exemail.com.au Hello cpe-60-230-87-196.lns3.win.bigpond.net.au [60.230.87.196]
mail from: kitcho@exemail.com.au
250 OK
rcpt to: kitcho@exemail.com.au
550 Administrative prohibition
rcpt to: kitcho@hotmail.com
550 Administrative prohibition
data
503-All RCPT commands were rejected with this error:
503-Administrative prohibition
503 valid RCPT command must precede DATA


kitcho wrote:Sorry Dazzled, I am not conversant with sending emails via terminal, I will have to do some learning to use the commands. Cheers




Dazzled wrote:The pop up looks like error 550 was received from the server.

I just sent an email typing in the terminal rather than a mail client so I could see all messages coming from the server.
That is -
telnet smtp.nsw.exemail.com.au 25
Using commands HELO, MAIL FROM:, RCPT TO:, DATA, and QUIT.
All returns (except DATA) were 250 OK, so the server is working correctly for me.

(DATA returns "354 Enter message, ending with "." on a line by itself")
Underneath the GUI on your screen, all mail clients are typing away like this on port 25 to send and port 110 to receive. If you can connect this way, the trouble is in a client setting. Windows users may have to enable telnet first.

This applies to non-mobile services for SMTP (sending).
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Re: Can't send emails

Postby Dazzled on Sun Jun 04, 2017 1:05 pm

That wasn't a bad effort. Before graphic desktops we did it that way. It still serves on some devices or to get the error message at the point of error.

The server has declared a 550 problem with the recipient's email address. It usually means the address is non-existent or otherwise unlocatable, but sometimes may indicate the receiver's server is down or firewalled. The server sysadmin has some leeway attaching this code to addresses.

503 is a bad sequence of commands, as expected in this case.
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