shell bypass 403
l
��bc @ s' d Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l Z d d l
Z
d d l m Z
d d l m Z d d d d d d
d d d
d d d g Z d Z d Z d Z d Z d Z e j d e j � Z Gd � d e � Z Gd � d e � Z Gd � d e � Z Gd � d e � Z Gd � d e � Z Gd � d
e � Z Gd � d e � Z Gd � d e � Z! Gd � d
e � Z" d � Z# d! � Z$ d" � Z% d# � Z& d$ � Z' y d d l( Z( Wn e) k
r�e* Z+ Yn XGd% � d& � Z, e- Z+ Gd' � d � Z. e+ rAGd( � d) e. � Z/ e j0 d) � n d* Z1 Gd+ � d, e. � Z2 e3 d- k r#d d l Z d. � Z4 e4 d/ � Z5 e4 d0 � j6 d1 � Z7 e8 d2 � d3 Z9 x' e j: j; � Z< e< r�Pn e9 e< Z9 q�e8 d4 e= e9 � � e. d5 � Z> e> j? d6 � e> j@ e5 e7 e9 � e> jA � n d S(7 u SMTP/ESMTP client class.
This should follow RFC 821 (SMTP), RFC 1869 (ESMTP), RFC 2554 (SMTP
Authentication) and RFC 2487 (Secure SMTP over TLS).
Notes:
Please remember, when doing ESMTP, that the names of the SMTP service
extensions are NOT the same thing as the option keywords for the RCPT
and MAIL commands!
Example:
>>> import smtplib
>>> s=smtplib.SMTP("localhost")
>>> print(s.help())
This is Sendmail version 8.8.4
Topics:
HELO EHLO MAIL RCPT DATA
RSET NOOP QUIT HELP VRFY
EXPN VERB ETRN DSN
For more info use "HELP <topic>".
To report bugs in the implementation send email to
sendmail-bugs@sendmail.org.
For local information send email to Postmaster at your site.
End of HELP info
>>> s.putcmd("vrfy","someone@here")
>>> s.getreply()
(250, "Somebody OverHere <somebody@here.my.org>")
>>> s.quit()
i N( u body_encode( u stderru
SMTPExceptionu SMTPServerDisconnectedu SMTPResponseExceptionu SMTPSenderRefusedu SMTPRecipientsRefusedu
SMTPDataErroru SMTPConnectErroru
SMTPHeloErroru SMTPAuthenticationErroru quoteaddru quotedatau SMTPi i� u
s
i u auth=(.*)c B s | Ee Z d Z d S( u4 Base class for all exceptions raised by this module.N( u __name__u
__module__u __doc__( u
__locals__( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu
SMTPExceptionF s
c B s | Ee Z d Z d S( u� Not connected to any SMTP server.
This exception is raised when the server unexpectedly disconnects,
or when an attempt is made to use the SMTP instance before
connecting it to a server.
N( u __name__u
__module__u __doc__( u
__locals__( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu SMTPServerDisconnectedI s
c B s | Ee Z d Z d � Z d S( u2 Base class for all exceptions that include an SMTP error code.
These exceptions are generated in some instances when the SMTP
server returns an error code. The error code is stored in the
`smtp_code' attribute of the error, and the `smtp_error' attribute
is set to the error message.
c C s% | | _ | | _ | | f | _ d S( N( u smtp_codeu
smtp_erroru args( u selfu codeu msg( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu __init__Z s N( u __name__u
__module__u __doc__u __init__( u
__locals__( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu SMTPResponseExceptionQ s
c B s | Ee Z d Z d � Z d S( u� Sender address refused.
In addition to the attributes set by on all SMTPResponseException
exceptions, this sets `sender' to the string that the SMTP refused.
c C s1 | | _ | | _ | | _ | | | f | _ d S( N( u smtp_codeu
smtp_erroru senderu args( u selfu codeu msgu sender( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu __init__f s N( u __name__u
__module__u __doc__u __init__( u
__locals__( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu SMTPSenderRefused_ s
c B s | Ee Z d Z d � Z d S( u� All recipient addresses refused.
The errors for each recipient are accessible through the attribute
'recipients', which is a dictionary of exactly the same sort as
SMTP.sendmail() returns.
c C s | | _ | f | _ d S( N( u
recipientsu args( u selfu
recipients( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu __init__t s N( u __name__u
__module__u __doc__u __init__( u
__locals__( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu SMTPRecipientsRefusedl s
c B s | Ee Z d Z d S( u' The SMTP server didn't accept the data.N( u __name__u
__module__u __doc__( u
__locals__( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu
SMTPDataErrory s
c B s | Ee Z d Z d S( u& Error during connection establishment.N( u __name__u
__module__u __doc__( u
__locals__( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu SMTPConnectError| s
c B s | Ee Z d Z d S( u" The server refused our HELO reply.N( u __name__u
__module__u __doc__( u
__locals__( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu
SMTPHeloError s
c B s | Ee Z d Z d S( uv Authentication error.
Most probably the server didn't accept the username/password
combination provided.
N( u __name__u
__module__u __doc__( u
__locals__( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu SMTPAuthenticationError� s
c C se d } y t j j | � d } Wn t k
r4 Yn X| d k rI d | S| d k rY d Sd | Sd S( u� Quote a subset of the email addresses defined by RFC 821.
Should be able to handle anything email.utils.parseaddr can handle.
i u <%s>u <>N( NN( NN( u Noneu emailu utilsu parseaddru AttributeError( u addru m( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu quoteaddr� s
c C s2 t j j | � \ } } | | f d k r. | S| S( Nu ( u u ( u emailu utilsu parseaddr( u
addrstringu displaynameu addr( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu
_addr_only� s c C s" t j d d t j d t | � � S( u� Quote data for email.
Double leading '.', and change Unix newline '\n', or Mac '\r' into
Internet CRLF end-of-line.
u (?m)^\.u ..u (?:\r\n|\n|\r(?!\n))( u reu subu CRLF( u data( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu quotedata� s c C s t j d d | � S( Ns (?m)^\.s ..( u reu sub( u bindata( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu _quote_periods� s c C s t j d t | � S( Nu (?:\r\n|\n|\r(?!\n))( u reu subu CRLF( u data( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu _fix_eols� s c B s2 | Ee Z d Z d � Z d d � Z d � Z d S( ut A fake file like object that really wraps a SSLObject.
It only supports what is needed in smtplib.
c C s
| | _ d S( N( u sslobj( u selfu sslobj( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu __init__� s i c C s� | d k r d } n d } d } xX | d k r{ | d k rR t | � | k rR Pn | j j d � } | sn Pn | | 7} q$ W| S( Ni s s
i ( u Noneu lenu sslobju read( u selfu sizeu stru chr( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu readline� s c C s d S( N( ( u self( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu close� s Ni����( u __name__u
__module__u __doc__u __init__u readlineu close( u
__locals__( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu SSLFakeFile� s
u SSLFakeFilec B sp | Ee Z d Z d Z d Z d Z d Z d Z d Z e
Z d d d e j
d � Z d � Z d � Z d d d � Z d � Z d d
� Z d � Z d d � Z d d
� Z d d � Z d � Z d d � Z d � Z d � Z g d � Z g d � Z d � Z d � Z e Z d � Z! d � Z" d � Z# d d d � Z$ g g d � Z% d d g i d � Z& d � Z' d � Z( d S( u� This class manages a connection to an SMTP or ESMTP server.
SMTP Objects:
SMTP objects have the following attributes:
helo_resp
This is the message given by the server in response to the
most recent HELO command.
ehlo_resp
This is the message given by the server in response to the
most recent EHLO command. This is usually multiline.
does_esmtp
This is a True value _after you do an EHLO command_, if the
server supports ESMTP.
esmtp_features
This is a dictionary, which, if the server supports ESMTP,
will _after you do an EHLO command_, contain the names of the
SMTP service extensions this server supports, and their
parameters (if any).
Note, all extension names are mapped to lower case in the
dictionary.
See each method's docstrings for details. In general, there is a
method of the same name to perform each SMTP command. There is also a
method called 'sendmail' that will do an entire mail transaction.
i u ehlou c C s� | | _ i | _ | rQ | j | | � \ } } | d k rQ t | | � � qQ n | d k ri | | _ nh t j � } d | k r� | | _ nD d } y t j t j � � } Wn t j
k
r� Yn Xd | | _ d S( u� Initialize a new instance.
If specified, `host' is the name of the remote host to which to
connect. If specified, `port' specifies the port to which to connect.
By default, smtplib.SMTP_PORT is used. An SMTPConnectError is raised
if the specified `host' doesn't respond correctly. If specified,
`local_hostname` is used as the FQDN of the local host. By default,
the local hostname is found using socket.getfqdn().
i� u .u 127.0.0.1u [%s]N( u timeoutu esmtp_featuresu connectu SMTPConnectErroru Noneu local_hostnameu socketu getfqdnu
gethostbynameu gethostnameu gaierror( u selfu hostu portu local_hostnameu timeoutu codeu msgu fqdnu addr( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu __init__� s" c C s
| | _ d S( u� Set the debug output level.
A non-false value results in debug messages for connection and for all
messages sent to and received from the server.
N( u
debuglevel( u selfu
debuglevel( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu set_debuglevel s c C sA | j d k r+ t d | | f d t �n t j | | f | � S( Ni u connect:u file( u
debuglevelu printu stderru socketu create_connection( u selfu hostu portu timeout( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu _get_socket& s u localhostc C s8 | r� | j d � | j d � k r� | j d � } | d k r� | d | � | | d d � } } y t | � } Wq� t k
r� t j d � � Yq� Xq� n | s� | j } n | j d k r� t d | | f d t �n | j
| | | j � | _ | j
� \ } } | j d k r.t d | d t �n | | f S( up Connect to a host on a given port.
If the hostname ends with a colon (`:') followed by a number, and
there is no port specified, that suffix will be stripped off and the
number interpreted as the port number to use.
Note: This method is automatically invoked by __init__, if a host is
specified during instantiation.
u :i Ni u nonnumeric portu connect:u file( u findu rfindu intu
ValueErroru socketu erroru default_portu
debuglevelu printu stderru _get_socketu timeoutu socku getreply( u selfu hostu portu iu codeu msg( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu connect- s" % %
c C s� | j d k r+ t d t | � d t �n t | d � r� | j r� t | t � rd | j d � } n y | j j | � Wq� t
j k
r� | j � t
d � � Yq� Xn t
d � � d S( u Send `s' to the server.i u send:u fileu socku asciiu Server not connectedu please run connect() firstN( u
debuglevelu printu repru stderru hasattru socku
isinstanceu stru encodeu sendallu socketu erroru closeu SMTPServerDisconnected( u selfu s( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu sendJ s
c C sC | d k r d | t f } n d | | t f } | j | � d S( u Send a command to the server.u u %s%su %s %s%sN( u CRLFu send( u selfu cmdu argsu str( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu putcmdY s c C s� g } | j d k r- | j j d � | _ n xLy | j j t d � } WnH t j k
r� } z% | j � t d t
| � � � WYd d } ~ Xn X| s� | j � t d � � n | j d k r� t d t
| � d t �n t | � t k rt d d
� � n | j | d d � j d � � | d d
� } y t | � } Wn t k
r^d } PYn X| d
d � d k r0 Pq0 q0 d j | � } | j d k r�t d | | f d t �n | | f S( u� Get a reply from the server.
Returns a tuple consisting of:
- server response code (e.g. '250', or such, if all goes well)
Note: returns -1 if it can't read response code.
- server response string corresponding to response code (multiline
responses are converted to a single, multiline string).
Raises SMTPServerDisconnected if end-of-file is reached.
u rbi u Connection unexpectedly closed: Nu Connection unexpectedly closedi u reply:u filei� u Line too long.i s
i s -s
u reply: retcode (%s); Msg: %si����( u fileu Noneu socku makefileu readlineu _MAXLINEu socketu erroru closeu SMTPServerDisconnectedu stru
debuglevelu printu repru stderru lenu SMTPResponseExceptionu appendu stripu intu
ValueErroru join( u selfu respu lineu eu codeu errcodeu errmsg( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu getreplya s<
#
c C s | j | | � | j � S( u- Send a command, and return its response code.( u putcmdu getreply( u selfu cmdu args( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu docmd� s c C s> | j d | p | j � | j � \ } } | | _ | | f S( uw SMTP 'helo' command.
Hostname to send for this command defaults to the FQDN of the local
host.
u helo( u putcmdu local_hostnameu getreplyu helo_resp( u selfu nameu codeu msg( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu helo� s c
C s� i | _ | j | j | p! | j � | j � \ } } | d
k rn t | � d k rn | j � t d � � n | | _ | d k r� | | f Sd | _ | j j
d � j d � } | d =x� | D]� } t j
| � } | r| j j d d � d | j d � d | j d <q� n t j
d
| � } | r� | j d � j � } | j | j d � d � j � } | d k r�| j j | d � d | | j | <q�| | j | <q� q� W| | f S( ux SMTP 'ehlo' command.
Hostname to send for this command defaults to the FQDN of the local
host.
i i u Server not connectedi� u latin-1u
u authu u u( (?P<feature>[A-Za-z0-9][A-Za-z0-9\-]*) ?u featureNi����( u esmtp_featuresu putcmdu ehlo_msgu local_hostnameu getreplyu lenu closeu SMTPServerDisconnectedu ehlo_respu
does_esmtpu decodeu splitu
OLDSTYLE_AUTHu matchu getu groupsu reu groupu loweru stringu endu strip(
u selfu nameu codeu msgu respu eachu
auth_matchu mu featureu params( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu ehlo� s2
1" 'c C s | j � | j k S( u7 Does the server support a given SMTP service extension?( u loweru esmtp_features( u selfu opt( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu has_extn� s c C s | j d | � | j � d S( u; SMTP 'help' command.
Returns help text from server.u helpi ( u putcmdu getreply( u selfu args( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu help� s c C s
| j d � S( u& SMTP 'rset' command -- resets session.u rset( u docmd( u self( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu rset� s c C s
| j d � S( u- SMTP 'noop' command -- doesn't do anything :>u noop( u docmd( u self( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu noop� s c C sU d } | r+ | j r+ d d j | � } n | j d d t | � | f � | j � S( u0 SMTP 'mail' command -- begins mail xfer session.u u u mailu FROM:%s%s( u
does_esmtpu joinu putcmdu quoteaddru getreply( u selfu senderu optionsu
optionlist( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu mail� s
c C sU d } | r+ | j r+ d d j | � } n | j d d t | � | f � | j � S( u; SMTP 'rcpt' command -- indicates 1 recipient for this mail.u u u rcptu TO:%s%s( u
does_esmtpu joinu putcmdu quoteaddru getreply( u selfu recipu optionsu
optionlist( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu rcpt� s
c C s$ | j d � | j � \ } } | j d k rJ t d | | f d t �n | d k rh t | | � � n� t | t � r� t | � j d � } n t
| � } | d
d � t k r� | t } n | d t } | j | � | j � \ } } | j d k rt d | | f d t �n | | f Sd S( u� SMTP 'DATA' command -- sends message data to server.
Automatically quotes lines beginning with a period per rfc821.
Raises SMTPDataError if there is an unexpected reply to the
DATA command; the return value from this method is the final
response code received when the all data is sent. If msg
is a string, lone '
' and '
' characters are converted to
'
' characters. If msg is bytes, it is transmitted as is.
u datai u data:u fileib u asciii Ns .i����(
u putcmdu getreplyu
debuglevelu printu stderru
SMTPDataErroru
isinstanceu stru _fix_eolsu encodeu _quote_periodsu bCRLFu send( u selfu msgu codeu replu q( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu data� s"
c C s | j d t | � � | j � S( u5 SMTP 'verify' command -- checks for address validity.u vrfy( u putcmdu
_addr_onlyu getreply( u selfu address( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu verify s c C s | j d t | � � | j � S( u. SMTP 'expn' command -- expands a mailing list.u expn( u putcmdu
_addr_onlyu getreply( u selfu address( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu expn s c C s� | j d k r� | j d k r� d | j � d k o? d k n s� | j � \ } } d | k om d k n s� t | | � � q� q� n d S( ub Call self.ehlo() and/or self.helo() if needed.
If there has been no previous EHLO or HELO command this session, this
method tries ESMTP EHLO first.
This method may raise the following exceptions:
SMTPHeloError The server didn't reply properly to
the helo greeting.
i� i i+ N( u helo_respu Noneu ehlo_respu ehlou helou
SMTPHeloError( u selfu codeu resp( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu ehlo_or_helo_if_needed! s
& c
s� d � } d � } d } d } d } | j � | j d � sL t d � � n | j d j � � | | | g } � f d � | D� } | s� t d � � n x2| D]*}
|
| k r� | j d
| � \ } } | d k r�| j | | | | � � \ } } q�n� |
| k r5| j d
| d | | | � � \ } } n |
| k r�| j d
d
| t | j d � d d �f � \ } } | d k r�| j t | j d � d d �� \ } } q�n | d k r� | | f Sq� Wt | | � � d S( uA Log in on an SMTP server that requires authentication.
The arguments are:
- user: The user name to authenticate with.
- password: The password for the authentication.
If there has been no previous EHLO or HELO command this session, this
method tries ESMTP EHLO first.
This method will return normally if the authentication was successful.
This method may raise the following exceptions:
SMTPHeloError The server didn't reply properly to
the helo greeting.
SMTPAuthenticationError The server didn't accept the username/
password combination.
SMTPException No suitable authentication method was
found.
c S sQ t j | � } | d t j | j d � | � j � } t | j d � d d �S( Nu u asciiu eolu ( u base64u decodebytesu hmacu HMACu encodeu hexdigestu
encode_base64( u challengeu useru passwordu response( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu encode_cram_md5H s c S s) d | | f } t | j d � d d �S( Nu %s %su asciiu eolu ( u
encode_base64u encode( u useru passwordu s( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu encode_plainN s u PLAINu CRAM-MD5u LOGINu authu, SMTP AUTH extension not supported by server.c s" g | ] } | � k r | � q S( ( ( u .0u auth( u advertised_authlist( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu
<listcomp>e s u( No suitable authentication method found.u AUTHiN u u %s %su asciiu eolu i� i� N( i� i� ( u ehlo_or_helo_if_neededu has_extnu
SMTPExceptionu esmtp_featuresu splitu docmdu
encode_base64u encodeu SMTPAuthenticationError(
u selfu useru passwordu encode_cram_md5u encode_plainu
AUTH_PLAINu
AUTH_CRAM_MD5u
AUTH_LOGINu preferred_authsu authlistu
authmethodu codeu resp( ( u advertised_authlistu. /usr/local/python-3.2/lib/python3.2/smtplib.pyu login2 s:
' # . 0 c C s� | j � | j d � s( t d � � n | j d � \ } } | d k r� t s^ t d � � n t j | j | | � | _ t | j � | _
d | _ d | _
i | _ d | _ n | | f S( u� Puts the connection to the SMTP server into TLS mode.
If there has been no previous EHLO or HELO command this session, this
method tries ESMTP EHLO first.
If the server supports TLS, this will encrypt the rest of the SMTP
session. If you provide the keyfile and certfile parameters,
the identity of the SMTP server and client can be checked. This,
however, depends on whether the socket module really checks the
certificates.
This method may raise the following exceptions:
SMTPHeloError The server didn't reply properly to
the helo greeting.
u starttlsu+ STARTTLS extension not supported by server.u STARTTLSi� u& No SSL support included in this Pythoni N( u ehlo_or_helo_if_neededu has_extnu
SMTPExceptionu docmdu _have_sslu RuntimeErroru sslu wrap_socketu socku SSLFakeFileu fileu Noneu helo_respu ehlo_respu esmtp_featuresu
does_esmtp( u selfu keyfileu certfileu respu reply( ( u. /usr/local/python-3.2/lib/python3.2/smtplib.pyu starttls� s
c C s | j � g } t | t � r7 t | � j d � } n | j r� | j d � ri | j d t | � � n x | D] } | j | � qp Wn | j | | � \ } } | d k r� | d k r� | j
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This command performs an entire mail transaction.
The arguments are:
- from_addr : The address sending this mail.
- to_addrs : A list of addresses to send this mail to. A bare
string will be treated as a list with 1 address.
- msg : The message to send.
- mail_options : List of ESMTP options (such as 8bitmime) for the
mail command.
- rcpt_options : List of ESMTP options (such as DSN commands) for
all the rcpt commands.
msg may be a string containing characters in the ASCII range, or a byte
string. A string is encoded to bytes using the ascii codec, and lone
\r and \n characters are converted to \r\n characters.
If there has been no previous EHLO or HELO command this session, this
method tries ESMTP EHLO first. If the server does ESMTP, message size
and each of the specified options will be passed to it. If EHLO
fails, HELO will be tried and ESMTP options suppressed.
This method will return normally if the mail is accepted for at least
one recipient. It returns a dictionary, with one entry for each
recipient that was refused. Each entry contains a tuple of the SMTP
error code and the accompanying error message sent by the server.
This method may raise the following exceptions:
SMTPHeloError The server didn't reply properly to
the helo greeting.
SMTPRecipientsRefused The server rejected ALL recipients
(no mail was sent).
SMTPSenderRefused The server didn't accept the from_addr.
SMTPDataError The server replied with an unexpected
error code (other than a refusal of
a recipient).
Note: the connection will be open even after an exception is raised.
Example:
>>> import smtplib
>>> s=smtplib.SMTP("localhost")
>>> tolist=["one@one.org","two@two.org","three@three.org","four@four.org"]
>>> msg = '''\
... From: Me@my.org
... Subject: testin'...
...
... This is a test '''
>>> s.sendmail("me@my.org",tolist,msg)
{ "three@three.org" : ( 550 ,"User unknown" ) }
>>> s.quit()
In the above example, the message was accepted for delivery to three
of the four addresses, and one was rejected, with the error code
550. If all addresses are accepted, then the method will return an
empty dictionary.
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# 0
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certificate chain file for the SSL connection.
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