sending emails using python

[sridhar]

iam having user account on an exchangeserver.
with that can i send an email using python?

if iam using the following code iam getting error
fromAddress = 's************* *@satyam.com'
toAddress = 's************* *@satyam.com'
msg = "Subject: Hello\n\nThis is the body of the message."
import smtplib
server = smtplib.SMTP("h stmsg002",25)
server.sendmail (fromAddress, toAddress, msg)

error:

Traceback (most recent call last):
File
"C:\sridhar\Beg inning_Python\B eginning_Python \Chapter16\tryi tout\InitialMai lExample.py",
line 5, in ?
server = smtplib.SMTP("h stmsg002",25)
File "C:\Python24\li b\smtplib.py", line 244, in __init__
(code, msg) = self.connect(ho st, port)
File "C:\Python24\li b\smtplib.py", line 307, in connect
(code, msg) = self.getreply()
File "C:\Python24\li b\smtplib.py", line 351, in getreply
raise SMTPServerDisco nnected("Connec tion unexpectedly closed")
SMTPServerDisco nnected: Connection unexpectedly closed

[Sybren Stuvel]

sridhar enlightened us with:

iam having user account on an exchangeserver.
with that can i send an email using python?

if iam using the following code iam getting error
fromAddress = 's************* *@satyam.com'
toAddress = 's************* *@satyam.com'
msg = "Subject: Hello\n\nThis is the body of the message."

^^^^

You need \r\n\r\n there. Line-ends in email messages should be DOS
line-ends.

Traceback (most recent call last):
File
"C:\sridhar\Beg inning_Python\B eginning_Python \Chapter16\tryi tout\InitialMai lExample.py",
line 5, in ?
server = smtplib.SMTP("h stmsg002",25)
File "C:\Python24\li b\smtplib.py", line 244, in __init__
(code, msg) = self.connect(ho st, port)
File "C:\Python24\li b\smtplib.py", line 307, in connect
(code, msg) = self.getreply()
File "C:\Python24\li b\smtplib.py", line 351, in getreply
raise SMTPServerDisco nnected("Connec tion unexpectedly closed")
SMTPServerDisco nnected: Connection unexpectedly closed

Well that's useless. You could install a network sniffer
(http://www.ethereal.com/) and find out what's actually sent over the
network connection, and where things go wrong.

Sybren
--
Sybren Stüvel
Stüvel IT - http://www.stuvel.eu/

[Tim Williams]

On 07/09/06, Sybren Stuvel <sy*******@your thirdtower.com. imaginationwrot e:

sridhar enlightened us with:

iam having user account on an exchangeserver.
with that can i send an email using python?

if iam using the following code iam getting error

Traceback (most recent call last):
File
"C:\sridhar\Beg inning_Python\B eginning_Python \Chapter16\tryi tout\InitialMai lExample.py",
line 5, in ?
server = smtplib.SMTP("h stmsg002",25)
File "C:\Python24\li b\smtplib.py", line 244, in __init__
(code, msg) = self.connect(ho st, port)
File "C:\Python24\li b\smtplib.py", line 307, in connect
(code, msg) = self.getreply()
File "C:\Python24\li b\smtplib.py", line 351, in getreply
raise SMTPServerDisco nnected("Connec tion unexpectedly closed")
SMTPServerDisco nnected: Connection unexpectedly closed

Well that's useless. You could install a network sniffer
(http://www.ethereal.com/) and find out what's actually sent over the
network connection, and where things go wrong.

Have you verified that you are allowed to use SMTP on this server ?
Can you send email via it using outlook express or a similar POP3/IMAP
mail client?

:)

[Steve Holden]

Sybren Stuvel wrote:

sridhar enlightened us with:

>>iam having user account on an exchangeserver.
with that can i send an email using python?

if iam using the following code iam getting error
fromAddress = 's************* *@satyam.com'
toAddress = 's************* *@satyam.com'
msg = "Subject: Hello\n\nThis is the body of the message."

^^^^

You need \r\n\r\n there. Line-ends in email messages should be DOS
line-ends.

This is untrue for the Python smtplib, though correct according to the
RFCs. The SMTP.data() method uses a locally-declared function called
quotedata() to ensure the correct line endings, so using "\n" will
result in the same message as using "\r\n".

>

>>Traceback (most recent call last):
File
"C:\sridhar\B eginning_Python \Beginning_Pyth on\Chapter16\tr yitout\InitialM ailExample.py",
line 5, in ?
server = smtplib.SMTP("h stmsg002",25)
File "C:\Python24\li b\smtplib.py", line 244, in __init__
(code, msg) = self.connect(ho st, port)
File "C:\Python24\li b\smtplib.py", line 307, in connect
(code, msg) = self.getreply()
File "C:\Python24\li b\smtplib.py", line 351, in getreply
raise SMTPServerDisco nnected("Connec tion unexpectedly closed")
SMTPServerDis connected: Connection unexpectedly closed

Well that's useless. You could install a network sniffer
(http://www.ethereal.com/) and find out what's actually sent over the
network connection, and where things go wrong.

Useless it might be, but it's a lot more clueful than some questions we
see, so it seems a little dismissive just to say "it's useless" - the OP
has provided the traceback, which is so often missing in questions from
newbies, and has correctly localized the error to a small chunk of code.

True, the error message isn't particularly helpful in these
circumstances, but it probably represents an accurate description (from
the client's point of view) about what's happening, in which case an
Ethereal trace will provide little more data than the traceback. I
suppose it'll tell you whether the server is sending RST or FIN to
terminate the connection, but it won't give much insight into why.

We might hazard a guess that the connection is being closed because
there is no SMTP server running on the named host, or (less likely) it
requires authentication. Unfortunately when I try to connect to a
non-existent SMTP server on an existent host I see

socket.error: (113, 'Software caused connection abort')

under both 2.4.3 and 2.5b2. Alas I don't have ready access to a server
that requires authentication (my servers authenticate senders by POP
access IIRC). So I can't reproduce this error.

Perhaps the SMTP server is strapped down to accepting connections from
specific IP addresses by some firewall? It would probably be a good idea
to have a chat with the server's administrator to see if they can
suggest what might be going wrong.

regards
Steve
--
Steve Holden [phone] [phone]
Holden Web LLC/Ltd http://www.holdenweb.com
Skype: holdenweb http://holdenweb.blogspot.com
Recent Ramblings http://del.icio.us/steve.holden

[Max M]

sridhar wrote:

iam having user account on an exchangeserver.
with that can i send an email using python?

if iam using the following code iam getting error
fromAddress = 's************* *@satyam.com'
toAddress = 's************* *@satyam.com'
msg = "Subject: Hello\n\nThis is the body of the message."
import smtplib
server = smtplib.SMTP("h stmsg002",25)
server.sendmail (fromAddress, toAddress, msg)

Do yourself a favor and use the email module to construct your messages
with. Constructing messages by hand can lead you into so many traps.
Especially if you are using international characters in you messages.
--

hilsen/regards Max M, Denmark

http://www.mxm.dk/
IT's Mad Science

Phone: [phone]
Mobile: [phone]

[Steve Holden]

Max M wrote:

sridhar wrote:

>>iam having user account on an exchangeserver.
with that can i send an email using python?

if iam using the following code iam getting error
fromAddress = 's************* *@satyam.com'
toAddress = 's************* *@satyam.com'
msg = "Subject: Hello\n\nThis is the body of the message."
import smtplib
server = smtplib.SMTP("h stmsg002",25)
server.sendma il(fromAddress, toAddress, msg)

Do yourself a favor and use the email module to construct your messages
with. Constructing messages by hand can lead you into so many traps.
Especially if you are using international characters in you messages.

Good advice. However, since the error is occurring in the SMTP() call a
malformed message is clearly not the cause of this particular problem.

regards
Steve
--
Steve Holden [phone] [phone]
Holden Web LLC/Ltd http://www.holdenweb.com
Skype: holdenweb http://holdenweb.blogspot.com
Recent Ramblings http://del.icio.us/steve.holden

[Sybren Stuvel]

Steve Holden enlightened us with:

This is untrue for the Python smtplib, though correct according to
the RFCs. The SMTP.data() method uses a locally-declared function
called quotedata() to ensure the correct line endings, so using "\n"
will result in the same message as using "\r\n".

Ah, wonderful.

Useless it might be, but it's a lot more clueful than some questions
we see, so it seems a little dismissive just to say "it's useless" -
the OP has provided the traceback, which is so often missing in
questions from newbies, and has correctly localized the error to a
small chunk of code.

I agree with you. My remark might indeed have sounded harsher than
intended. It referred to the traceback itself, not the posting of the
traceback. That was rather useful.

Ethereal trace will provide little more data than the traceback.

I don't know until I see it. Perhaps the socket is closed in response
to something the client sends. That can be seen in the Ethereal trace.

I suppose it'll tell you whether the server is sending RST or FIN to
terminate the connection, but it won't give much insight into why.

A quick peek in the SMTP logfiles should tell you that.

Perhaps the SMTP server is strapped down to accepting connections from
specific IP addresses by some firewall?

In that case I'd expect the SMTP server to simply ignore the
connection attempt and cause a timeout in the connecting phase. I
wouldn't expect a connection to be created and then closed again,
which is what I read in the posted traceback.

It would probably be a good idea to have a chat with the server's
administrator to see if they can suggest what might be going wrong.

Good idea indeed. Another idea would be to use something like netcat
or telnet to connect to the port and see what happens if you manually
type an SMTP connection.

Sybren
--
Sybren Stüvel
Stüvel IT - http://www.stuvel.eu/

[Sybren Stuvel]

Tim Williams enlightened us with:

Can you send email via it using outlook express or a similar
POP3/IMAP mail client?

Wouldn't you use a SMTP client to send email?

Sybren
--
Sybren Stüvel
Stüvel IT - http://www.stuvel.eu/

[Tim Williams]

On 07/09/06, Sybren Stuvel <sy*******@your thirdtower.com. imaginationwrot e:

Tim Williams enlightened us with:

Can you send email via it using outlook express or a similar
POP3/IMAP mail client?

Wouldn't you use a SMTP client to send email?

Outlook Express *is* a mail client that uses SMTP as the outbound protocol.

:)

[Grant Edwards]

On 2006-09-07, Sybren Stuvel <sy*******@YOUR thirdtower.com. imaginationwrot e:

Tim Williams enlightened us with:

>Can you send email via it using outlook express or a similar
POP3/IMAP mail client?

Wouldn't you use a SMTP client to send email?

I would, but I don't use exchange server. :)

The one exchange server I used in the past didn't accept SMTP
mail.

--
Grant Edwards grante Yow! I have the power
at to HALT PRODUCTION on all
visi.com TEENAGE SEX COMEDIES!!