Thursday, 24 September 2015, 19:07 - Mail stuff
Posted by Administrator
Sometimes, you need to test SMTP auth (for sending e-mails) is working properly and you don't want (or can't) test with an ordinary email client.Posted by Administrator
One can test using a telnet session. But first, you must encode username and password using this command snipplet:
echo -en "testlogin" | openssl enc -base64
dGVzdGxvZ2lu
echo -en "testpass" | openssl enc -base64
dGVzdHBhc3M=
Then:
telnet <your_server_address> 25 (or 587)
Now you do the same as an e-mail client:
HELO mybox.mydomain.tld
250 host.domain.tld
AUTH LOGIN
334 VXNlcm5hbWU6
dGVzdGxvZ2lu
334 UGFzc3dvcmQ6
dGVzdHBhc3M=
235 2.7.0 Authentication successful
quit
221 2.0.0 Bye
If something with "Authentication successful" appears, login was able to authenticate against the mail server for sending e-mail.
REMARK: There are some other sites with examples in perl that don't work with full e-mail address usernames (user@domain.tld) because of lack of escaping the "@" sign that designates a perl array.
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