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smtp login with telnet
I am using telnet
>>http://support.microsoft.com/kb/153119
my mailserver requires a login (i think)
I sent messages but there is no 'from email address'
when I check the message in my mail inbox
maybe because I am not logged in
but how to log in
>>http://support.microsoft.com/kb/153119
my mailserver requires a login (i think)
I sent messages but there is no 'from email address'
when I check the message in my mail inbox
maybe because I am not logged in
but how to log in
Asked:
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yes,
but I can only get to data
if the
mail from:
and
recpt to:
are the same
I want to send to another address, so I must log on to my email
but I can only get to data
if the
mail from:
and
recpt to:
are the same
I want to send to another address, so I must log on to my email
To send to multiple addresses, you would use multiple RCPT TO: lines prior to issuing he DATA command. By the way, your RCPT TO: should alos have the e-mail addresses enclosed in <> (i.e. RCPT TO: <john.doe@example.com>)
If the mail server won't accept anything in the RCPT TO: line other than your e-mail address (or perhaps another address in the same email domain), that sounds to me like the server is not allowing you to do SMTP relay. It is very common for mail/SMTP servers to not allow SMTP relay for open connections. You have to use SMTP AUTH with a valid login and password. Some mail servers will, rather than use SMTP AUTH, allow relay if you do a successful POP3 login first. Another way to solve that would be to configure the mail server to allow SMTP relay from the IP address where you are using Telnet.
There are several utilites for Windows that will let you send mail from the command line. The most commonly known is probably BLAT.
If the mail server won't accept anything in the RCPT TO: line other than your e-mail address (or perhaps another address in the same email domain), that sounds to me like the server is not allowing you to do SMTP relay. It is very common for mail/SMTP servers to not allow SMTP relay for open connections. You have to use SMTP AUTH with a valid login and password. Some mail servers will, rather than use SMTP AUTH, allow relay if you do a successful POP3 login first. Another way to solve that would be to configure the mail server to allow SMTP relay from the IP address where you are using Telnet.
There are several utilites for Windows that will let you send mail from the command line. The most commonly known is probably BLAT.
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The login portion requires that you have the response ready in a base64 encoding.
I.e. telnet host 25
Ehlo servername
Auth login plain
<this is where as an answer to the response you need to provide the correct username and then a password>
Once this process returns a 2xx, means you re authenticated.
Mail from/rcpt to defines the envelope sender and envelope recipients as was pointed out. The data section is broken not the header and the body of the message separated by a single empty line and terminated by a single period on a line.
It is not clear what it is you are trying to test.
I.e. telnet host 25
Ehlo servername
Auth login plain
<this is where as an answer to the response you need to provide the correct username and then a password>
Once this process returns a 2xx, means you re authenticated.
Mail from/rcpt to defines the envelope sender and envelope recipients as was pointed out. The data section is broken not the header and the body of the message separated by a single empty line and terminated by a single period on a line.
It is not clear what it is you are trying to test.
Example of a POP3 long here:
http://coewww.rutgers.edu/www1/linuxclass2007/lessons/lesson12/sec_6.html
A Bas64 SMTP login cannot effectively be done manually. It requires that the password be encoded. Wikipedia actually has a fair explanation of base64 encoding:
http://en.wikipedia.org/wiki/Base64
At this point, the question remains. What are you trying to do? What problem are you trying to solve?
http://coewww.rutgers.edu/www1/linuxclass2007/lessons/lesson12/sec_6.html
A Bas64 SMTP login cannot effectively be done manually. It requires that the password be encoded. Wikipedia actually has a fair explanation of base64 encoding:
http://en.wikipedia.org/wiki/Base64
At this point, the question remains. What are you trying to do? What problem are you trying to solve?
http://en.wikipedia.org/wiki/Base64
I may not need base64
and dont understand how the link applies to sending an email on telent
because this link is almost working for me:
http://coewww.rutgers.edu/www1/linuxclass2007/lessons/lesson12/sec_6.html
are there other commands than
retr 1
because this retrys a previous email, how can I write a new email
I may not need base64
and dont understand how the link applies to sending an email on telent
because this link is almost working for me:
http://coewww.rutgers.edu/www1/linuxclass2007/lessons/lesson12/sec_6.html
are there other commands than
retr 1
because this retrys a previous email, how can I write a new email
Retr 1 up is a a pop mechanism to read emails you received.
You have to use smtp to send email.
Base64 is needed to encode the username/password for authentication.
You can test you smtp telnet by sending an email to yourself, a server that handles incoming emails for mydomain.com will not require authentication from anyone when a message recipient is user@mydomain.com
You have to use smtp to send email.
Base64 is needed to encode the username/password for authentication.
You can test you smtp telnet by sending an email to yourself, a server that handles incoming emails for mydomain.com will not require authentication from anyone when a message recipient is user@mydomain.com
> http://en.wikipedia.org/wiki/Base64
> I may not need base64
> and dont understand how the link applies to sending an email on telent
It applies to how you may have to enter the username & password during SMTP authentication in order to relay mail (send mail to a domain other than yours). If you can get the POP3 login example to work, that may be all you need, because some SMTP servers are configured to allow relaying after a successful POP3 login from that IP address.
Login via POP3, then immediately logout. Then try a simple SMTP session, with a RCPT TO: address that is not in your domain, and see if it goes out.
> I may not need base64
> and dont understand how the link applies to sending an email on telent
It applies to how you may have to enter the username & password during SMTP authentication in order to relay mail (send mail to a domain other than yours). If you can get the POP3 login example to work, that may be all you need, because some SMTP servers are configured to allow relaying after a successful POP3 login from that IP address.
Login via POP3, then immediately logout. Then try a simple SMTP session, with a RCPT TO: address that is not in your domain, and see if it goes out.
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Everything after the DATA command is the actual e-mail message. Most e-mail clients look here for the sender data, TO: and CC: information, Subject line, and the date/time of the message (although some clients look at the mail headers for the date/time). After you issue the DATA command, you should send lines similar to this:
Open in new window
Keep in mind that what you put here is what the recipient's mail program uses to separate TO: addresses and CC: addresses. When send mail to the server, both TO: and CC: addresses are part of the RCPT TO line.
Hope this helps.