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Topic: Bounce message

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	Bounce message - Wikipedia, the free encyclopedia
		A bounce message, or Delivery Status Notification (DSN) message or, simply, a bounce is an automated electronic mail message from the receiver's mail system, the message tells the sender that the message could not be delivered.
		The original message is said to have bounced.
		Bounce messages in SMTP are sent with the envelope sender address
	en.wikipedia.org /wiki/Bounce_message (1065 words)

	[No title]
		Introduction When a message transport agent (MTA) finds itself permanently unable to deliver a mail message, it generates a new message, generally known as a bounce message, back to the envelope sender.
		Bounce messages produced by the qmail-send program display the list of failed recipient addresses, an explanation for each address, and a copy of the original message, in a format that is easy for both humans and programs to read.
		Format A bounce message may be recognized as QSBMF as follows: its body begins with the characters "Hi.
	cr.yp.to /proto/qsbmf.txt (927 words)

	My Way Help
		This message was not delivered because the headers indicate that it is coming from an email service other than the one indicated by the IP address.
		For example, a message with a return address of 1user@domainname.com which was actually sent through a service with an IP address which does not match domainname.com will be rejected for this reason.
		Your message is being blocked by our site because it either had characteristics similar to "spam" (unsolicited commercial email), or you're sending your message from an Internet Service Provider (ISP) or email provider who has been identified as having allowed spam to be generated from their facilities.
	help.myway.com /mail/bounce/bounce5.html (1650 words)

	bounce(8): Postfix message bounce/defer daemon - Linux man page
		Enqueue a bounce message, with a copy of a per-message log file and of the corresponding message.
		When the bounce message is enqueued successfully, the per-message log file is deleted.
		Optionally, a bounce (defer, trace) client can request that the per-message log file be deleted when the requested operation fails.
	www.die.net /doc/linux/man/man8/bounce.8.html (572 words)

	IronPort® Contact
		Bounce messages are undeliverable email messages that are returned to their sender.
		When a receiving mail server gets a message with an undeliverable address, it will generate a new message back to the purported sender—notifying them that "the email you tried to send was undeliverable".
		Since the spammers don't want to deal with two million incoming bounce messages, they typically forge the return address and the bounces become "misdirected" or returned to an innocent third party that had nothing to do with the spam in the first place.
	www.ironport.com /bouncereport (218 words)

	Bounce - Wikipedia, the free encyclopedia
		Bounce, a slang term used by skydivers to describe the act of hitting the ground at terminal velocity.
		Bounce message, an e-mail message that is returned undelivered.
		Bounce, a term used when a check is returned to a depositing bank because the owner of the account in the issuing bank has insufficient funds to cover the value of the check.
	en.wikipedia.org /wiki/Bounce (291 words)

	Understanding Bounce Messages (Site not responding. Last check: 2007-10-14)
		A bounce message is the message you get back when you send an e-mail to a nonexistent e-mail address.
		The most common reason for receiving a bounce message is having incorrectly addressed the message.
		Here is a portion of an actual bounce message, returned to me by our own qmail system.
	www.macalester.edu /its/docs/net/bounce_messages (839 words)

	Redirecting (or "Bouncing") Messages with Pine on an ITC email system
		Bouncing is used instead of forwarding when you want to preserve the header information present in the message being redirected.
		After you have configured Pine to bounce messages, bouncing a single message to another address is not difficult.
		Please be aware that there are limits on how many messages you scan redirect within a given period of time, so try to select 25 or fewer each session.
	www.itc.virginia.edu /desktop/email/pine/bounce.html (931 words)

	Bounce Processing - Email Software - eList Manager (Site not responding. Last check: 2007-10-14)
		Bounce With No Email Address (BN): eList Manager determined that the message was a bounce, but it could not resolve the original email recipient email address.
		In short, a Challenge-Response message is an automatic response from the recipient, requesting that the sender confirm a real person is sending the message.
		General Bounce (GB): The email server could not deliver your email message, but the bounce message was unclear as to what kind of bounce it was.
	www.bocanetworks.com /main/em/Bounce.aspx (667 words)

	Why does email bounce? - Ask Leo!
		Bounce messages can vary in format, and in exact wording, depending on the mail server that's sending the message back to you.
		Blacklist Filters: If you see messages that indicate your email was "blocked", or "listed in", and references to sites that have things like "spamcop", "dynablock", "flhole", "spamhaus" and similar in their names, then your email was probably intentionally blocked because the receiving system thinks your ISP's mail server is a source of spam.
		Phrases in the bounce message like "Message looks like spam", "keywords rejected by the antispam content filter", "scored too high on spam scale" and similar means that your email, for whatever reason, tripped the spam filters on the receiving end.
	ask-leo.com /why_does_email_bounce.html (2358 words)

	pobox.com
		However, especially with free accounts, this message could actually mean the user no longer checks the account; a good rule of thumb is if you continue to receive this error for more than two weeks, it is likely that the account is no longer in use.
		A message sent a Pobox account is forwarded to another mailbox; if that account is set to forward to Pobox, then a mail loop is created: mail goes from Pobox to the mailbox back to Pobox back to the mailbox, et cetera, until the loop is ascertained and the message returned to its sender.
		If you receive a user unknown bounce, and you have checked to make sure the address is correct, the next thing you should do is try to contact the person you were trying to email by other means.
	pobox.com /bounce-common.mhtml (1479 words)

	PRESS RELEASE IronPort Study Finds More Than 50% of the Fortune 500 Report Bounce Attacks, Costs Estimated at $5B ... (Site not responding. Last check: 2007-10-14)
		Nearly every email user has had the unnerving experience of receiving a notification from some corporation or ISP saying, "the message you sent could not be delivered because it contained a virus." But, on closer inspection, this notice came from some address that the user has never heard of or never sent mail to.
		An email bounce message is an email notifying a sender that their message was not delivered for some reason.
		So, any attempt to return a message to a forged return address will result in an unwanted, and often times bewildering, email bounce message being delivered to the unsuspecting email user whose name was fraudulently called out on the original email's return address.
	www.marketwire.com /mw/release_html_b1?release_id=124547 (996 words)

	[No title] (Site not responding. Last check: 2007-10-14)
		Causing sendmail to generate bounce messages might be considered to be interfering with the mail system.
		As a bounce message indicating that the mail wasn't received is generated in either case I don't consider this to be a fault (that, and the fact that I can't think of a good solution).
		A bounce message should be generated and a "X-Nonplussed-Action: bounced" header added to the received message.
	www.cs.mu.oz.au /~amb/misc/spambouncer.txt (1095 words)

	Webopedia: Why E-Mails Bounce
		In computer jargon, a bounced e-mail is one that never arrives in the recipient's inbox and is sent back, or bounced back, to the sender with an error message that indicates to the sender that the e-mail was never successfully transmitted.
		The message will also bounce back to the server if the mail server on the recipient's end is busy and cannot handle the request at that time.
		Some mail systems predetermine a maximum message size that it will accept and will automatically bounce the message if it exceeds that size and some mail systems predetermine a maximum amount of disk space the user is allowed to occupy on the server.
	www.webopedia.com /DidYouKnow/Internet/2002/BouncedEmail.asp (511 words)

	Bounce message alias expansion problems
		It seems that the most ideal solution would be a way to have the error bounc e messages generated from a set of configurable templates but, as far as I can tell, there is no existing sendmail functionality to do this.
		Preliminary remark 1: The text of the bounce is hardcoded, so you need to patch the sendmail sources and recompile to change it.
		Bounces will contain q->q_paddr (printable representation of final address) as the failed address, and if the email wasn't received thusly addressed, give q->q_alias->q_paddr (one step back) as "expanded from".
	www.webservertalk.com /message305080.html (572 words)

	FastMail.FM FAQ - Mailbox screen
		A message on the mailbox screen has an attachment, but it doesn't appear on the view message screen.
		HOWEVER, such messages can be rejected, which DOES cause the apparent sender to be sent a bounce message.
		A spammer may be able to tell the difference between a bounce and a reject, but a normal emailer probably won't.
	www.fastmail.fm /docs/faqparts/Mailbox.htm (2759 words)

	How to Bounce Lowercase-Only E-Mail Messages
		You can choose to bounce all-lowercase e-mail messages that are sent from Columbia University addresses only, or only from any other specific address, or from all addresses; and you can specify that messages from certain senders (e.g., your dissertation advisor, your department chair, your nine-year-old cousin) will not be bounced under any circumstances.
		This method will bounce only plain-text messages, not messages sent by e-mail programs that let the writer specify fonts, colors, or other formatting.
		If the message continues to reach you without being bounced, return to step 3 and check your typing very carefully.
	www.columbia.edu /~em36/lowercasebouncer.html (2047 words)

	iMakeNews: The Stepping Stone: What is a "Bounce"?
		A "bounce" is a shorthand way of describing what happens when you send an email to someone and get an automatic reply from their mail server.
		It is also possible to receive a bounce message from the first server the message is delivered to before it even reaches its destination.
		If a mail server is having problems delivering a message to a domain, it may try for several days to deliver the message and then return the bounce message when it gives up.
	www.imakenews.com /steppingstone1/e_article000047866.cfm (496 words)

	Halfbakery: Server-addressed bounce-mails
		The machine passing the message would be required to keep a transaction log of such messages for 48 hours.
		In case of an email bounce, if the recipient machine saw an Xbounce-direction: line it would send the bounce message to the address given in the Xbounce-direction line; this machine would then look up the real From: address associated with that xbounce-direction address and relay it there.
		If mail servers could be configured to send spam-related bounce messages only in response to messages with the Xbounce-direction: header, legitimate mailers could be informed of message delivery problems while bounced spams would end up in the bit bucket where they belong.
	www.halfbakery.com /idea/Server-addressed_20bounce-mails (552 words)

	VISI \| UNIX man pages: bounce (8)
		Each log file is named after the queue file that it corresponds to, and is kept in a queue subdirectory named after the service name in the master.cf file (either bounce or defer).
		The bounce daemon processes two types of service requests: o Append a recipient status record to a per-message log file.
		When the bounce is posted successfully, the log file is deleted.
	home.visi.com /cgi-bin/man?bounce+8 (410 words)

	Spamassassin Intro, Setup, and Advanced Techniques
		When the nonspam message is fed in to spamc, spamc hands the text off to spamd which calculates the actual spam score.
		Bounce a message into the system and look at the headers of the message.
		For multiple messages, select all the messages you'd like to bounce with either ":" to select them one at a time, or ";" to select multiple messages by message number, subject, body text, etc. Once selected, press "a", then "b" to Apply the Bounce command to all of them.
	www.stearns.org /doc/spamassassin-setup.current.html (5249 words)

	Halfbakery: X-Bounce-Request and related headers
		The bounce message for any rejected email that contained an X-Bounce-Request: header would contain an X-Bounced: header with a "reason" code and the original [something].
		Note that in case #3, it may be desirable to have the server that bounced a message discover that its bounce message was rejected so it can avoid wasting resources holding a message that it will never deliver.
		The enhancement is that under current protocols and usages, a machine that bounces a spam message risks hitting a legitimate user with the bounce; this is especially true of users with 'catchall' domains.
	www.halfbakery.com /idea/X-Bounce-Request_20and_20related_20headers (512 words)

	WSRCC Email Bounce
		If you are seeing this bounce message you need to check with your site's admin to find the domain name you should be putting on outgoing mail.
		This usually happens when the remote site is incorrectly configured to initially accept all mail and then later returns a "bounce" notification when it determines that there is no such user, or when a spam filter (correctly) identifies this message as spam.
		Accepting the mail and sending a bounce message is a good way to annoy some innocent third party if some spammer forged the sender address.
	www.wsrcc.com /spam/bounce.html (2176 words)

	Dada Mail - Bounce Handler News - Introduction of Scoring (Site not responding. Last check: 2007-10-14)
		A soft bounce is basically any other type of bounce.
		message and the flagged part of the message could, in fact, be
		A message that seems (or is) to be a hard bounce would be scored
	mojo.skazat.com /cgi-bin/dada/mail.cgi/archive/dadadev/20060605001002 (963 words)

	[No title]
		The MTA MAY also require that the use of the address is appropriate, for example that the message is a bounce as indicated by a null RFC2821.MailFrom; other heuristically determined contexts MAY also be appropriate, for example a MailFrom beginning with "mailer-daemon@".
		Bounce delivery: When an MTA within the specified address delivery domain's administration receives a delivery notification directed to a BATV-encoded address, the MTA SHOULD validate that address when that message has a null MailFrom.
		The same will be true for any other BATV scheme that does not include some link with the message data; however such protection is only reliable for the recipient of the original message, because the integrity of the link will often be broken when the original message data is mangled into the bounce.
	mipassoc.org /batv/draft-levine-mass-batv-00.txt (3364 words)

	Why 12% of your Emails are Not Reaching Their Intended Recipients
		With bounce rates climbing, assessing and managing your unknown bounce problem is becoming a new area of focus.
		When ISPs divert email messages to a junk or bulk-mail folder, a bounce error message is not generated back to you as the sender.
		If email messages exceed a certain volume threshold (bandwidth, messages per second or number of simultaneous connections from a given server), the email messages will be blocked or redirected to a junk mail folder.
	www.emaillabs.com /email_marketing_articles/article_unknownbounces.html (697 words)

	Bounce message going backwards? - FutureQuest Community
		What's odd is that the reject message looks as though it was sent from us to them, yet it clearly was traveling the opposite direction since it's sitting in our spam box.
		We are seeing more and more "client side" bounce type tools that try to make a "fake" bounce message with a somewhat genuine appearance.
		Not sure WHAT exactly is generating this "returned" message, but it does appear to be something on the end user's machine (esp. due to the cable host/IP in the Received line).
	www.aota.net /forums/showthread.php?t=16398 (311 words)

	E-Mail E Mail Email Mail Webmail Web Internet Electronic Mail
		is one that never arrives in the recipient's inbox and is sent back, or bounced back, to the sender with an error message that indicates to the sender that the
		, then the message will be rejected because there is no one to deliver the message to.
		Some mail systems predetermine a maximum message size that it will accept and will automatically bounce the message if it exceeds that size and some mail systems predetermine a maximum amount of
	www.rdspc.com /knowledge/facts/mailBounce.asp (342 words)

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