我们从Python开源项目中，提取了以下14个代码示例，用于说明如何使用smtplib.SMTPConnectError()。
def testFailingHELO(self): self.assertRaises(smtplib.SMTPConnectError, smtplib.SMTP, HOST, self.port, 'localhost', 3)
def send_smtp_email(email_to, email_subject, email_body): logtime = datetime.now().isoformat() num_recepients = len(email_to) if num_recepients > conf['smtp_max_recepients_per_email']: print(logtime, 'ERROR - Too many recepients.') return 0 msg = MIMEText(email_body, 'html') msg['Subject'] = email_subject msg['From'] = conf['smtp_from'] msg['To'] = ','.join(email_to) email_message = msg.as_string() try: smtp = smtplib.SMTP_SSL() smtp.connect(conf['smtp_server'],int(conf['smtp_port'])) smtp.login(conf['smtp_username'], conf['smtp_password']) smtp.sendmail(conf['smtp_from'], email_to, email_message) smtp.close() log("Emails sent to: " + msg['to']) except smtplib.SMTPConnectError: log("ERROR - Unable to connect to SMTP server.") return 0 except smtplib.SMTPAuthenticationError: log("ERROR - SMTP authentication error.") return 0 return 1 ############################################################################### # Program start # Set up configuraiton
def send(message, subject, to, to_name=None, sender=None, sender_name=None): sender = sender or app.config.get('MAIL_FROM') sender_name = sender_name or app.config.get('MAIL_FROM_NAME') host = app.config.get('MAIL_HOST') try: server = smtplib.SMTP(host) except smtplib.SMTPConnectError as ex: app.logger.error('Unable to send mail: %s', str(ex)) raise MailFailure() msg = text.MIMEText(message) msg['Subject'] = subject msg['To'] = email.utils.formataddr((to_name, to)) msg['From'] = email.utils.formataddr((sender_name, sender)) try: if app.debug: server.set_debuglevel(True) server.sendmail(sender, [to], msg.as_string()) except smtplib.SMTPException as ex: app.logger.error('Unable to send mail: %s', str(ex)) raise MailFailure() finally: try: server.quit() except smtplib.SMTPException: pass
def validate_email_address(email_to, email_from, debug=False): # find the appropiate mail server domain = email_to.split('@')[1] remote_server = get_mx_record(domain) if (remote_server is None): print "No valid email server could be found for [%s]!" % (email_to) return False # Login into the mail exchange server try: smtp = smtplib.SMTP() smtp.connect(remote_server) if debug: smtp.set_debuglevel(True) except smtplib.SMTPConnectError, e: print e return False try: smtp.ehlo_or_helo_if_needed() except Exception, e: print e return False # First Try to verify with VRFY # 250 is success code. 400 or greater is error. v_code, v_message = smtp.verify(email_to) if v_code and v_code != 250: f_code, f_message = smtp.mail(email_from) # Then use RCPT to verify if f_code and f_code == 250: r_code, r_message = smtp.rcpt(email_to) if r_code and r_code == 250: return True, r_message if r_code and r_code == 550: return False, r_message else: return False else: return True, v_message smtp.quit() return False
def notify_users_when_wanted( event = None ): """ notifies users if *event* matches a filter of a user and the user wants to be notified for the matching filter """ from grical.events.models import Event, Filter if isinstance(event, Event): pass elif isinstance(event, int) or isinstance(event, long): event = Event.objects.get(pk = event) else: event = Event.objects.get(pk = int(event)) # TODO: the next code iterate throw all users but this is not workable # for a big number of users: implement a special data structure which # saves filters and can look up fast filters matching an event # TODO: show a diff of the changes users = User.objects.all() for user in users: user_filters = Filter.objects.filter( user = user ).filter( email = True) for fil in user_filters: if not fil.matches_event( event ): continue context = { 'username': user.username, 'event': event, 'filter': fil, 'site_name': Site.objects.get_current().name, 'site_domain': Site.objects.get_current().domain, } # TODO: create the subject from a text template subject = _(u'filter match: ') + event.title # TODO: use a preferred language setting for users to send # emails to them in this language message = render_to_string( 'mail/event_notice.txt', context ) from_email = settings.DEFAULT_FROM_EMAIL if subject and message and from_email and user.email: try: if ( not settings.DEBUG ) or user.username in \ settings.USERNAMES_TO_MAIL_WHEN_DEBUGGING: send_mail( subject, message, from_email, [user.email,], fail_silently = False ) except (BadHeaderError, SMTPConnectError), err: logger.error(u'SMTP error while trying to send ' 'notificationsemail - %s'%err) except: logger.error(u'Unexpected error while trying to send ' 'notifications - %s'%traceback.format_exc()) else: # FIXME: do something meaningfull, e.g. error log pass
def send_mail(subject,body,reciever): with open(config_file) as fp: lines = fp.readlines() first_line_to_read = [i for i, line in enumerate(lines) if 'MAILING_DETAILS:' in line][0] + 1 last_line_to_read = [i for i, line in enumerate(lines) if 'EOF' in line][0] for name in lines[first_line_to_read:last_line_to_read]: name=name.split(':') if name[0]=='SENDER_USERNAME': sender=name[1].split('\n')[0] elif name[0]=='SENDER_PASS': password=name[1].split('\n')[0] msg = MIMEMultipart() msg['From'] = sender msg['To'] = reciever msg['Subject'] = subject msg.attach(MIMEText(body, 'plain')) try: smtpObj = smtplib.SMTP('smtp.gmail.com:587') smtpObj.starttls() smtpObj.login(sender,password) smtpObj.sendmail(sender, reciever, msg.as_string()) except smtplib.SMTPConnectError: msg='Mailing Error : error occured during connection with server.' except smtplib.SMTPAuthenticationError: msg='Mailing Error: Invalid username and/or password' except smtplib.socket.gaierror: msg='Mailing Error : Check Internet connection.' except Exception as e: msg='Mailing Error: Try again' else: msg="Admin has been successfully notified of the error via email." smtpObj.quit()
def process_notification(notification): from ..models.notification import ( NotificationDeliveryStateType, UnverifiedEmailException, MissingEmailException) import smtplib import socket from assembl.lib import config assert notification sys.stderr.write( "process_notification called with notification %d, state was %s" % ( notification.id, notification.delivery_state)) if notification.delivery_state not in \ NotificationDeliveryStateType.getRetryableDeliveryStates(): sys.stderr.write( "Refusing to process notification %d because its delivery state is: %s" % ( notification.id, notification.delivery_state)) return try: email = notification.render_to_message() # sys.stderr.write(email_str) recipient = notification.get_to_email_address() wait_if_necessary(recipient) notify_process_mailer.send_immediately(email, fail_silently=False) notification.delivery_state = \ NotificationDeliveryStateType.DELIVERY_IN_PROGRESS email_was_sent(recipient) except UnverifiedEmailException as e: sys.stderr.write("Not sending to unverified email: "+repr(e)) notification.delivery_state = \ NotificationDeliveryStateType.DELIVERY_TEMPORARY_FAILURE except MissingEmailException as e: notification.delivery_state = \ NotificationDeliveryStateType.DELIVERY_TEMPORARY_FAILURE sys.stderr.write("Missing email! :"+repr(e)) except (smtplib.SMTPConnectError, socket.timeout, socket.error, smtplib.SMTPHeloError) as e: sys.stderr.write("Temporary failure: "+repr(e)) notification.delivery_state = \ NotificationDeliveryStateType.DELIVERY_TEMPORARY_FAILURE except smtplib.SMTPRecipientsRefused as e: notification.delivery_state = \ NotificationDeliveryStateType.DELIVERY_FAILURE sys.stderr.write("Recepients refused: "+repr(e)) except smtplib.SMTPSenderRefused as e: notification.delivery_state = \ NotificationDeliveryStateType.DELIVERY_TEMPORARY_FAILURE sys.stderr.write("Invalid configuration! :"+repr(e)) mark_changed() sys.stderr.write( "process_notification finished processing %d, state is now %s" % (notification.id, notification.delivery_state))
