| 1 | #!/usr/bin/env python |
| 2 | # -*- coding: utf-8 -*- |
| 3 | #*************************************************************************** |
| 4 | #* Copyright (C) 2003-2013 Polytechnique.org * |
| 5 | #* http://opensource.polytechnique.org/ * |
| 6 | #* * |
| 7 | #* This program is free software; you can redistribute it and/or modify * |
| 8 | #* it under the terms of the GNU General Public License as published by * |
| 9 | #* the Free Software Foundation; either version 2 of the License, or * |
| 10 | #* (at your option) any later version. * |
| 11 | #* * |
| 12 | #* This program is distributed in the hope that it will be useful, * |
| 13 | #* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 14 | #* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 15 | #* GNU General Public License for more details. * |
| 16 | #* * |
| 17 | #* You should have received a copy of the GNU General Public License * |
| 18 | #* along with this program; if not, write to the Free Software * |
| 19 | #* Foundation, Inc., * |
| 20 | #* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
| 21 | #*************************************************************************** |
| 22 | |
| 23 | """ |
| 24 | Process as automatically as possible bounces from the newsletter |
| 25 | |
| 26 | The goal is to extract the email adresses that actually bounced. |
| 27 | Bounces conforming to RFC 1894 will be automatically processed. |
| 28 | |
| 29 | This script uses the X-Spam-Flag header to remove spam and heuristics |
| 30 | to detect out-of-office auto-replies and delivery status notifications. |
| 31 | |
| 32 | All emails are saved in different mailboxes to make human post-processing easier. |
| 33 | """ |
| 34 | |
| 35 | import email |
| 36 | import mailbox |
| 37 | import os |
| 38 | import re |
| 39 | import sys |
| 40 | import time |
| 41 | |
| 42 | #----------------------------------------------------------------------------# |
| 43 | |
| 44 | class MboxProcessor: |
| 45 | """Applies a series of filters to each message in a mbox.""" |
| 46 | |
| 47 | def __init__(self, mbox): |
| 48 | self.mbox_file = mbox |
| 49 | self.mbox = mailbox.mbox(self.mbox_file) |
| 50 | self.filters = [ |
| 51 | DirectBouncesFilter(), |
| 52 | SpamFilter(), |
| 53 | UnsureFilter(), |
| 54 | CheckNonSpamFilter(), |
| 55 | OutOfOfficeFilter(), |
| 56 | DeliveryStatusNotificationFilter(), |
| 57 | CatchAllFilter() |
| 58 | ] |
| 59 | |
| 60 | def initialize_filters(self): |
| 61 | for f in self.filters: f.initialize(self.mbox_file) |
| 62 | self.start_time = time.clock() |
| 63 | |
| 64 | def apply_filters(self, message): |
| 65 | return any(f.process(message) for f in self.filters) |
| 66 | |
| 67 | def finalize_filters(self): |
| 68 | duration = time.clock() - self.start_time |
| 69 | separator = '-' * 80 |
| 70 | print(separator) |
| 71 | print('Processed the %d messages of %s in %.2fs' % (len(self.mbox), self.mbox_file, duration)) |
| 72 | print(separator) |
| 73 | for f in self.filters: |
| 74 | f.finalize() |
| 75 | print(separator) |
| 76 | |
| 77 | def run(self): |
| 78 | self.mbox.lock() |
| 79 | try: |
| 80 | self.initialize_filters() |
| 81 | for message in self.mbox: self.apply_filters(message) |
| 82 | self.finalize_filters() |
| 83 | finally: |
| 84 | self.mbox.unlock() |
| 85 | self.mbox.close() |
| 86 | |
| 87 | #----------------------------------------------------------------------------# |
| 88 | |
| 89 | class MboxFilter: |
| 90 | """Defines an interface for filters.""" |
| 91 | |
| 92 | def initialize(self, mbox_file): |
| 93 | """Called by the processor before processing starts. |
| 94 | |
| 95 | This is the place to open descriptors required during processing.""" |
| 96 | pass |
| 97 | |
| 98 | def process(self, message): |
| 99 | """Called by the processor for each message that reaches this step. |
| 100 | |
| 101 | Return true to stop processing, and false to go to the next filter.""" |
| 102 | pass |
| 103 | |
| 104 | def finalize(self): |
| 105 | """Called by the processor after processing ends. |
| 106 | |
| 107 | This is the place to display the results and close all descriptors.""" |
| 108 | pass |
| 109 | |
| 110 | #----------------------------------------------------------------------------# |
| 111 | |
| 112 | def findSubject(message): |
| 113 | """Returns the subject of an email.Message as an unicode string.""" |
| 114 | if message['Subject'] is None: |
| 115 | return None |
| 116 | |
| 117 | # decode_header returns a list of (decoded_string, charset) pairs |
| 118 | decoded_seq = email.header.decode_header(message['Subject']) |
| 119 | decoded_seq = [(subj, enc or 'utf-8') for subj, enc in decoded_seq] |
| 120 | header = email.header.make_header(decoded_seq) |
| 121 | # Be Python 2 & 3 compatible |
| 122 | return unicode(header) if sys.version_info < (3,) else str(header) |
| 123 | |
| 124 | |
| 125 | _recipient_re = re.compile(r'^rfc822; ?(.+)$', re.I | re.U) |
| 126 | # Some MTA set the Final-Recipient with "LOCAL;" instead of "rfc822;" |
| 127 | _recipient_re2 = re.compile(r'^local; ?(.+)$', re.I | re.U) |
| 128 | |
| 129 | |
| 130 | def findAddressInBounce(bounce): |
| 131 | """Finds the faulty email address in a bounced email. |
| 132 | |
| 133 | See RFC 1894 for more information. |
| 134 | Returns None or the email address.""" |
| 135 | |
| 136 | # Check that it is a bounce - a few MTA fail to set this correctly :( |
| 137 | if bounce.get_content_type() != 'multipart/report': |
| 138 | print('! Not a valid bounce (expected multipart/report, found %s).' % bounce.get_content_type()) |
| 139 | return None |
| 140 | # Extract the second component of the multipart/report |
| 141 | num_payloads = len(bounce.get_payload()) |
| 142 | if num_payloads < 2: |
| 143 | print('! Not a valid bounce (expected at least 2 parts, found %d).' % num_payloads) |
| 144 | return None |
| 145 | status = bounce.get_payload(1) |
| 146 | |
| 147 | # If the second part is of type "message/rfc822" it is the undelivered message. |
| 148 | # Let's try to understand the text part |
| 149 | if status.get_content_type() == 'message/rfc822': |
| 150 | text_bounce = bounce.get_payload(0) |
| 151 | if text_bounce.get_content_type() == 'text/plain': |
| 152 | return findAddressInPlainBounce(text_bounce, bounce) |
| 153 | # If it's not a text message, let's continue to the next error message |
| 154 | |
| 155 | if status.get_content_type() != 'message/delivery-status': |
| 156 | print('! Not a valid bounce (expected message/delivery-status, found %s).' % status.get_content_type()) |
| 157 | return None |
| 158 | # The per-message-fields don't matter here, get only the per-recipient-fields |
| 159 | num_payloads = len(status.get_payload()) |
| 160 | if num_payloads < 2: |
| 161 | print('! Not a valid bounce (expected at least 2 parts, found %d).' % num_payloads) |
| 162 | return None |
| 163 | content = status.get_payload(1) |
| 164 | if content.get_content_type() != 'text/plain': |
| 165 | print('! Not a valid bounce (expected text/plain, found %s).' % content.get_content_type()) |
| 166 | return None |
| 167 | # Extract the faulty email address |
| 168 | recipient_match = _recipient_re.search(content['Final-Recipient']) |
| 169 | if recipient_match is None: |
| 170 | # Be nice, test another regexp |
| 171 | recipient_match = _recipient_re2.search(content['Final-Recipient']) |
| 172 | if recipient_match is None: |
| 173 | print('! Missing final recipient.') |
| 174 | return None |
| 175 | email = recipient_match.group(1) |
| 176 | # Check the action field |
| 177 | if content['Action'].lower() != 'failed': |
| 178 | print('! Not a failed action (%s).' % content['Action']) |
| 179 | return None |
| 180 | |
| 181 | status = content['Status'] |
| 182 | diag_code = content['Diagnostic-Code'] |
| 183 | |
| 184 | # Permanent failure state |
| 185 | if int(status[:1]) == 5: |
| 186 | return email |
| 187 | |
| 188 | # Mail forwarding loops, DNS errors and connection timeouts cause X-Postfix errors |
| 189 | if diag_code is not None and diag_code.startswith('X-Postfix'): |
| 190 | return email |
| 191 | |
| 192 | failure_hints = [ |
| 193 | "insufficient system storage", |
| 194 | "mailbox full", |
| 195 | "user unknown", |
| 196 | ] |
| 197 | if 'quota' in status.lower(): |
| 198 | return email |
| 199 | if diag_code is not None: |
| 200 | ldiag_code = diag_code.lower() |
| 201 | if any(hint in ldiag_code for hint in failure_hints): |
| 202 | return email |
| 203 | |
| 204 | print('! Not a permanent failure status (%s).' % status) |
| 205 | if diag_code is not None: |
| 206 | print('! Diagnostic code was: %s' % diag_code) |
| 207 | return None |
| 208 | |
| 209 | |
| 210 | def findAddressInPlainBounce(bounce, real_bounce=None): |
| 211 | """Finds the faulty email address in a non-RFC-1894 bounced email |
| 212 | """ |
| 213 | # real_bounce is the full email and bounce only the text/plain part, if email have several MIME parts |
| 214 | real_bounce = real_bounce or bounce |
| 215 | if 'MAILER-DAEMON@' not in real_bounce['From'].upper(): |
| 216 | print('! Not a valid plain bounce (expected from MAILER-DAEMON, found %s).' % bounce['From']) |
| 217 | return None |
| 218 | if bounce.get_content_type() != 'text/plain': |
| 219 | print('! Not a valid plain bounce (expected text/plain, found %s).' % bounce.get_content_type()) |
| 220 | return None |
| 221 | subject = findSubject(real_bounce).lower() |
| 222 | known_subjects = [ |
| 223 | "delivery status notification (failure)", |
| 224 | "failure notice", |
| 225 | "returned mail: see transcript for details", |
| 226 | "undeliverable message", |
| 227 | "undelivered mail returned to sender", |
| 228 | ] |
| 229 | if subject not in known_subjects and not subject.startswith('mail delivery failed'): |
| 230 | print('! Not a valid plain bounce (unknown subject: %s).' % subject) |
| 231 | return None |
| 232 | |
| 233 | # Read the 15 first lines of content and find some relevant keywords to validate the bounce |
| 234 | lines = bounce.get_payload().splitlines()[:15] |
| 235 | |
| 236 | # ALTOSPAM is a service which requires to click on a link when sending an email |
| 237 | # Don't consider the "554 5.0.0 Service unavailable" returned by ALTOSPAM as a failure |
| 238 | # but put this message in the dsn-temp mailbox so that it can be processed by hand. |
| 239 | if any("ALTOSPAM which is used by the person" in line for line in lines): |
| 240 | print('! ALTOSPAM has been detected. Moving this message to the dsn-temp mbox') |
| 241 | return None |
| 242 | |
| 243 | # Match: |
| 244 | # A message that you sent could not be delivered to one or more of its recipients. |
| 245 | # I'm afraid I wasn't able to deliver your message to the following addresses. |
| 246 | # The following message to <email@example.com> was undeliverable. |
| 247 | non_delivery_hints = [ |
| 248 | "Delivery to the following recipient failed permanently", |
| 249 | "I'm sorry to have to inform you that your message could not", |
| 250 | "I wasn't able to deliver your message", |
| 251 | "> was undeliverable.", |
| 252 | "could not be delivered to", |
| 253 | "we were unable to deliver your message", |
| 254 | ] |
| 255 | if not any(any(hint in line for hint in non_delivery_hints) for line in lines): |
| 256 | print('! Unknown mailer-daemon message, unable to find an hint for non-delivery in message:') |
| 257 | print('\n'.join(lines)) |
| 258 | return None |
| 259 | |
| 260 | # Match: |
| 261 | # This is a permanent error; I've given up. Sorry it didn't work out. |
| 262 | # 5.1.0 - Unknown address error 550-'email@example.com... No such user' |
| 263 | permanent_error_hints = [ |
| 264 | "Delivery to the following recipient failed permanently", |
| 265 | "I'm sorry to have to inform you that your message could not", |
| 266 | "This is a permanent error", |
| 267 | "Unknown address error", |
| 268 | "550 Requested action not taken", |
| 269 | ] |
| 270 | if not any(any(hint in line for hint in permanent_error_hints) for line in lines): |
| 271 | print('! Unknown mailer-daemon message, unable to find an hint for permanent error in message:') |
| 272 | print('\n'.join(lines)) |
| 273 | return None |
| 274 | |
| 275 | # Retrieve the first occurence of <email@example.com> |
| 276 | for line in lines: |
| 277 | match = re.match(r'.*?<([0-9a-zA-Z_.-]+@[0-9a-zA-Z_.-]+)>', line) |
| 278 | if match is None: |
| 279 | match = re.match(r'^\s*([0-9a-zA-Z_.-]+@[0-9a-zA-Z_.-]+)\s*$', line) |
| 280 | if match is not None: |
| 281 | email = match.group(1) |
| 282 | if email.endswith('@polytechnique.org'): |
| 283 | # First valid mail is something like <info_newsletter@polytechnique.org>, so we missed the real one |
| 284 | break |
| 285 | return email |
| 286 | |
| 287 | print('! Unknown mailer-daemon message, unable to find email address:') |
| 288 | print('\n'.join(lines)) |
| 289 | return None |
| 290 | |
| 291 | #----------------------------------------------------------------------------# |
| 292 | |
| 293 | class DirectBouncesFilter(MboxFilter): |
| 294 | |
| 295 | def initialize(self, mbox_file): |
| 296 | self.seen = 0 |
| 297 | self.bad_problems = 0 |
| 298 | self.emails = [] |
| 299 | self.mbox_file = '%s.bounced' % mbox_file |
| 300 | self.mbox = mailbox.mbox(self.mbox_file) |
| 301 | self.mbox.clear() |
| 302 | |
| 303 | def process(self, message): |
| 304 | if message['X-Spam-Flag'] is None: |
| 305 | # During finalization, we will verifiy that all messages were processed |
| 306 | self.seen += 1 |
| 307 | # Special case: ignore mailman notifications for the mailing-list |
| 308 | # on which the NL is forwarded |
| 309 | if message['From'] == 'newsletter-externes-bounces@polytechnique.org': |
| 310 | print('! Dropping a notification from mailman for newsletter-externes@polytechnique.org, this should be OK.') |
| 311 | self.seen -= 1 |
| 312 | return True |
| 313 | # Additionnal checks, just to be sure |
| 314 | elif message['From'] != 'MAILER-DAEMON@polytechnique.org (Mail Delivery System)' \ |
| 315 | or message['Subject'] != 'Undelivered Mail Returned to Sender': |
| 316 | print('! Not an usual direct bounce (From="%s", Subject="%s").' % (message['From'], message['Subject'])) |
| 317 | else: |
| 318 | email = findAddressInBounce(message) |
| 319 | if email is not None: |
| 320 | self.emails.append(email) |
| 321 | self.mbox.add(message) |
| 322 | return True |
| 323 | else: |
| 324 | print('! => No email found in direct bounce, this is really bad.') |
| 325 | self.bad_problems += 1 |
| 326 | return False |
| 327 | |
| 328 | def finalize(self): |
| 329 | print('Found %d messages with no X-Spam-Flag header.' % self.seen) |
| 330 | print('Found %d of them that are confirmed bounces.' % len(self.mbox)) |
| 331 | print('They were saved in %s.' % self.mbox_file) |
| 332 | if self.bad_problems: |
| 333 | print('Found %d of them that are invalid.' % self.bad_problems) |
| 334 | if self.seen != len(self.mbox) + self.bad_problems: |
| 335 | print(' /!\ These numbers shoud be equal! We have a problem! /!\\') |
| 336 | print('') |
| 337 | print('Here is the list of email adresses for these bounces:') |
| 338 | print('') |
| 339 | for email in self.emails: |
| 340 | print(email) |
| 341 | print('') |
| 342 | self.mbox.close() |
| 343 | |
| 344 | #----------------------------------------------------------------------------# |
| 345 | |
| 346 | class SpamFilter(MboxFilter): |
| 347 | |
| 348 | def initialize(self, mbox_file): |
| 349 | self.mbox_file = '%s.spam' % mbox_file |
| 350 | self.mbox = mailbox.mbox(self.mbox_file) |
| 351 | self.mbox.clear() |
| 352 | |
| 353 | def process(self, message): |
| 354 | if message['X-Spam-Flag'] is not None \ |
| 355 | and message['X-Spam-Flag'].startswith('Yes, tests=bogofilter'): |
| 356 | self.mbox.add(message) |
| 357 | return True |
| 358 | return False |
| 359 | |
| 360 | def finalize(self): |
| 361 | print('Found %d spams. This is reliable.' % len(self.mbox)) |
| 362 | print('They were saved in %s.' % self.mbox_file) |
| 363 | print('You might check the contents of this mbox.') |
| 364 | self.mbox.close() |
| 365 | |
| 366 | #----------------------------------------------------------------------------# |
| 367 | |
| 368 | class UnsureFilter(MboxFilter): |
| 369 | |
| 370 | def initialize(self, mbox_file): |
| 371 | self.mbox_file = '%s.unsure' % mbox_file |
| 372 | self.mbox = mailbox.mbox(self.mbox_file) |
| 373 | self.mbox.clear() |
| 374 | |
| 375 | def process(self, message): |
| 376 | if message['X-Spam-Flag'] is not None \ |
| 377 | and message['X-Spam-Flag'].startswith('Unsure, tests=bogofilter'): |
| 378 | self.mbox.add(message) |
| 379 | return True |
| 380 | return False |
| 381 | |
| 382 | def finalize(self): |
| 383 | print('Found %d unclassified messages. Most of them should be spams.' % len(self.mbox)) |
| 384 | print('They were saved in %s.' % self.mbox_file) |
| 385 | print('You must check the contents of this mbox and feed the antispam.') |
| 386 | self.mbox.close() |
| 387 | |
| 388 | #----------------------------------------------------------------------------# |
| 389 | |
| 390 | class CheckNonSpamFilter(MboxFilter): |
| 391 | |
| 392 | def initialize(self, mbox_file): |
| 393 | self.seen = 0 |
| 394 | |
| 395 | def process(self, message): |
| 396 | if message['X-Spam-Flag'] is None \ |
| 397 | or not message['X-Spam-Flag'].startswith('No, tests=bogofilter'): |
| 398 | self.seen += 1 |
| 399 | return False |
| 400 | |
| 401 | def finalize(self): |
| 402 | if self.seen > 0: |
| 403 | print('Encountered %d messages that were neither spam, nor unsure, nor non-spams.' % self.seen) |
| 404 | print('Please investigate.') |
| 405 | else: |
| 406 | print('All messages were either spam, or unsure, or non-spams. Good.') |
| 407 | |
| 408 | #----------------------------------------------------------------------------# |
| 409 | |
| 410 | class OutOfOfficeFilter(MboxFilter): |
| 411 | |
| 412 | def initialize(self, mbox_file): |
| 413 | self.mbox_file = '%s.ooo' % mbox_file |
| 414 | self.mbox = mailbox.mbox(self.mbox_file) |
| 415 | self.mbox.clear() |
| 416 | subject_re = [ |
| 417 | r'^Absen(t|ce)', |
| 418 | r'^(AUTO: )?Out of (the )?office', |
| 419 | r'^Auto( ?): ', |
| 420 | r'^AutoRe( ?):', |
| 421 | r'^Automatic reply: ', |
| 422 | r'automatique d\'absence', |
| 423 | r'AutoReply', |
| 424 | r'(est|is) absent', |
| 425 | r'I am out of town', |
| 426 | r'I am currently away', |
| 427 | r'(am|is) out of (the )?office', |
| 428 | r'Notification d\'absence', |
| 429 | r'R.{1,2}ponse automatique( :)?', # There may be encoding error of e acute |
| 430 | ] |
| 431 | self.subject_regexes = [re.compile(sre, re.I | re.U) for sre in subject_re] |
| 432 | |
| 433 | def process(self, message): |
| 434 | subject = findSubject(message) |
| 435 | if subject is not None and any(regex.search(subject) for regex in self.subject_regexes): |
| 436 | self.mbox.add(message) |
| 437 | return True |
| 438 | |
| 439 | # Some systems reply with "Re: ". Be smart here! |
| 440 | if subject is not None and subject.startswith('Re: '): |
| 441 | # Delivered-To: Autoresponder |
| 442 | if 'Autoresponder' in message.get_all('Delivered-To'): |
| 443 | self.mbox.add(message) |
| 444 | return True |
| 445 | # Parse content if it is simple enough |
| 446 | if message.get_content_type() == 'text/plain': |
| 447 | firstline = message.get_payload().splitlines()[0].lower() |
| 448 | if (' absent du bureau ' in firstline |
| 449 | or ' away from my office ' in firstline): |
| 450 | self.mbox.add(message) |
| 451 | return True |
| 452 | |
| 453 | return False |
| 454 | |
| 455 | def finalize(self): |
| 456 | print('Found %d "out of office". This is generally reliable.' % len(self.mbox)) |
| 457 | print('They were saved in %s.' % self.mbox_file) |
| 458 | print('You may check the contents of this mbox.') |
| 459 | self.mbox.close() |
| 460 | |
| 461 | #----------------------------------------------------------------------------# |
| 462 | |
| 463 | class DeliveryStatusNotificationFilter(MboxFilter): |
| 464 | |
| 465 | def initialize(self, mbox_file): |
| 466 | self.emails = [] |
| 467 | self.mbox_file = '%s.dsn' % mbox_file |
| 468 | self.mbox = mailbox.mbox(self.mbox_file) |
| 469 | self.mbox.clear() |
| 470 | self.mbox_temp_file = '%s.dsn-temp' % mbox_file |
| 471 | self.mbox_temp = mailbox.mbox(self.mbox_temp_file) |
| 472 | self.mbox_temp.clear() |
| 473 | |
| 474 | def process(self, message): |
| 475 | # Don't modify message variable for "self.mbox.add(message)" |
| 476 | report_message = message |
| 477 | # Find real report inside attachment |
| 478 | if message.get_content_type() == 'multipart/mixed': |
| 479 | report_message = message.get_payload(0) |
| 480 | |
| 481 | # Process report if its type is correct |
| 482 | if report_message.get_content_type() == 'multipart/report': |
| 483 | email = findAddressInBounce(report_message) |
| 484 | if email is not None: |
| 485 | self.emails.append(email) |
| 486 | self.mbox.add(message) |
| 487 | else: |
| 488 | print("! => Moved to temporary DSN mailbox") |
| 489 | self.mbox_temp.add(message) |
| 490 | return True |
| 491 | |
| 492 | # Detect ill-formatted reports, sent as plain text email |
| 493 | if 'MAILER-DAEMON@' in message['From'].upper() and report_message.get_content_type() == 'text/plain': |
| 494 | email = findAddressInPlainBounce(report_message) |
| 495 | if email is not None: |
| 496 | self.emails.append(email) |
| 497 | self.mbox.add(message) |
| 498 | return True |
| 499 | return False |
| 500 | |
| 501 | def finalize(self): |
| 502 | print('Found %d delivery status notifications. This is generally reliable.' % len(self.mbox)) |
| 503 | print('They were saved in %s.' % self.mbox_file) |
| 504 | print('') |
| 505 | print('Here is the list of email adresses for these bounces:') |
| 506 | print('') |
| 507 | for email in self.emails: |
| 508 | print(email) |
| 509 | print('') |
| 510 | self.mbox.close() |
| 511 | print('Found %d temporary and invalid delivery status notifications.' % len(self.mbox_temp)) |
| 512 | print('They were saved in %s.' % self.mbox_temp_file) |
| 513 | self.mbox_temp.close() |
| 514 | |
| 515 | #----------------------------------------------------------------------------# |
| 516 | |
| 517 | class CatchAllFilter(MboxFilter): |
| 518 | |
| 519 | def initialize(self, mbox_file): |
| 520 | self.mbox_file = '%s.catchall' % mbox_file |
| 521 | self.mbox = mailbox.mbox(self.mbox_file) |
| 522 | self.mbox.clear() |
| 523 | |
| 524 | def process(self, message): |
| 525 | self.mbox.add(message) |
| 526 | return True |
| 527 | |
| 528 | def finalize(self): |
| 529 | if len(self.mbox) > 0: |
| 530 | print('%d messages reached the catchall.' % len(self.mbox)) |
| 531 | print('They were saved in %s.' % self.mbox_file) |
| 532 | print('You must process the contents of this mbox manually.') |
| 533 | self.mbox.close() |
| 534 | else: |
| 535 | print('No messages reached the catchall. Nice.') |
| 536 | self.mbox.close() |
| 537 | os.unlink(self.mbox_file) |
| 538 | |
| 539 | #----------------------------------------------------------------------------# |
| 540 | |
| 541 | if __name__ == '__main__': |
| 542 | |
| 543 | if len(sys.argv) != 2: |
| 544 | print('Usage: %s mbox' % sys.argv[0]) |
| 545 | sys.exit(1) |
| 546 | |
| 547 | if not os.path.exists(sys.argv[1]): |
| 548 | print('No such file: %s' % sys.argv[1]) |
| 549 | sys.exit(1) |
| 550 | |
| 551 | processor = MboxProcessor(sys.argv[1]) |
| 552 | processor.run() |