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Topic: Fetchmail


  
  Fetchmail - Wikipedia, the free encyclopedia
Fetchmail is a utility found on some Unix-like systems used to retrieve e-mail from a remote POP3, IMAP, ETRN or ODMR mail server to the user's local system.
Its chief significance is perhaps that its author, Eric S. Raymond, used it to discuss his theories of open source software development in a widely-read essay on software development methodologies, The Cathedral and the Bazaar.
Many people have criticised fetchmail's design [1], its number of security holes [2], and that it was prematurely put into "maintenance mode" [3].
en.wikipedia.org /wiki/Fetchmail   (112 words)

  
 The fechmail home page   (Site not responding. Last check: 2007-10-20)
Fetchmail is a full-featured, robust, well-documented remote-mail retrieval and forwarding utility intended to be used over on-demand TCP/IP links (such as SLIP or PPP connections).
Fetchmail can be started automatically and silently as a system daemon at boot time.
The fetchmail development project was a sociological experiment as well as a technical effort.
catb.org /~esr/fetchmail   (1356 words)

  
 man: fetchmail
Normally, fetchmail behaves like any other MTA would -- it generates a Received header into each message describing its place in the chain of transmission, and tells the MTA it forwards to that the mail came from the machine fetchmail itself is running on.
The fetchmail code assumes that new messages are appended to the end of the mailbox; when this is not true it may treat some old messages as new and vice versa.
When fetchmail is parsing address lines in multidrop modes, and a trailing segment of a host name matches a declared local domain, that address is passed through to the listener or MDA unaltered (local-name mappings are not applied).
www.hmug.org /man/1/fetchmail.php   (12929 words)

  
 The Fetchmail FAQ   (Site not responding. Last check: 2007-10-20)
Fetchmail is a one-stop solution to the remote mail retrieval problem for Unix machines, quite useful to anyone with an intermittent PPP or SLIP connection to a remote mailserver.
Fetchmail is not a toy or a coder's learning exercise, but an industrial-strength tool capable of transparently handling every retrieval demand from those of a simple single-user ISP connection up to mail retrieval and rerouting for an entire client domain.
In theory it might be possible for fetchmail in IMAP mode to sort messages by date, but this would be in violation of two basics of fetchmail's design philosophy: (a) to be as simple and transparent a pipe as possible, and (b) to hide, rather than emphasize, the differences between the remote-fetch protocols it uses.
www.ibiblio.org /pub/Linux/system/mail/pop/fetchmail-FAQ.html   (17647 words)

  
 Fetchmail Configuration   (Site not responding. Last check: 2007-10-20)
Fetchmail is a unix program capable of retrieving mail from a remote server and redelivering it to a local system.
Fetchmail can be run as a background daemon to poll the mail server for new mail on a set interval.
Fetchmail should run itself in the background after prompting for the account password, and poll the mail server for new mail at the interval in seconds specified in the configuration file.
cfm.gs.washington.edu /email/fetchmail   (433 words)

  
 [No title]
fetchmail is compatible with the popclient program, and users can use both without having to adjust file settings.
When using this command, fetchmail will write to the program's standard input and read from its standard output.
By default, fetchmail prints progress dots only when the current tty is standard output.
www.oreillynet.com /linux/cmd/f/fetchmail.html   (1166 words)

  
 ISS X-Force Database: fetchmail-multidrop-bo(10203): Fetchmail multi-drop mode multiple buffer overflows
Fetchmail versions 6.0.0 and earlier are vulnerable to multiple buffer overflows that could occur when Fetchmail is configured to run in the multi-drop mode.
CAN-2002-1174: Buffer overflows in Fetchmail 6.0.0 and earlier allow remote attackers to cause a denial of service (crash) or execute arbitrary code via (1) long headers that are not properly processed by the readheaders function, or (2) via long Received: headers, which are not properly parsed by the parse_received function.
CAN-2002-1175: The getmxrecord function in Fetchmail 6.0.0 and earlier does not properly check the boundary of a particular malformed DNS packet from a malicious DNS server, which allows remote attackers to cause a denial of service (crash) when Fetchmail attempts to read data beyond the expected boundary.
xforce.iss.net /xforce/xfdb/10203   (619 words)

  
 fetchmail.man
fetchmail and the mailserver are echoed to stdout.
fetchmail with a ‘limit’ option in daemon mode, this controls the interval at which warnings about oversized messages are mailed to the calling user (or the user specified by the ‘postmaster’ option).
It tells fetchmail that any address in the loonytoons.org or toons.org domains (including subdomain addresses like ‘joe@daffy.loonytoons.org’) should be passed through to the local SMTP listener without modification.
www.catb.org /~esr/fetchmail/fetchmail-man.html   (12764 words)

  
 fetchmail configuration
fetchmail does what its name means --- it fetches mails from a remote machine.
fetchmail doesn't Depends: on mail-transport-agent (a virtual package for a SMTP server) only because you can use fetchmail to move e-mails from one remote machine to another remote machine.
Use fetchmail normally, and your POP3 password will be written to the file "result".
newbiedoc.sourceforge.net /networking/fetchmail.html   (714 words)

  
 ISS X-Force Database: fetchmail-email-dos(13450): Fetchmail email denial of service
Fetchmail is a full-featured remote mail-retrieval and forwarding utility for Unix that uses the POP3 and IMAP protocols.
Fetchmail version 6.2.4 is vulnerable to a denial of service attack.
CAN-2003-0792: Fetchmail 6.2.4 and earlier does not properly allocate memory for long lines, which allows remote attackers to cause a denial of service (crash) via a certain email.
xforce.iss.net /xforce/xfdb/13450   (468 words)

  
 e-matters : SECURITY   (Site not responding. Last check: 2007-10-20)
If Fetchmail is running in multidrop mode these flaws can be used by remote attackers to crash it or to execute arbitrary code with the permissions of the user running fetchmail.
While auditing Fetchmail we found several places within the header parsing function readheaders() where user supplied email addresses are copied into stack or heap buffers without proper size checking.
If you are running Fetchmail in multidrop mode you should upgrade to the new or patched version as soon as possible.
security.e-matters.de /advisories/032002.html   (568 words)

  
 Email Filtering on MacOS X with fetchmail and procmail
All fetchmail does is poll your ISP and download your mail, then deliver it to the first mail agent it can detect on your system.
Fetchmail cannot do anything with the mail by itself, it has to hand it off to a mail agent, so let's make a.procmailrc file in your home directory that will deliver the mail to the right place.
If you're using a persistent connection (DSL, cable modem, LAN) you can uncomment the lines in.fetchmailrc that tell fetchmail to run in daemon mode; this way it will check for new mail every five minutes whenever you are logged in (you'll have to start fetchmail when you log in.
homepage.mac.com /bighouse/fetchmail.html   (875 words)

  
 O'Reilly: Teaching Your Email to Fetch
Fetchmail sits on your favorite UNIX host, periodically acting as an unattended mail-user agent connecting through any number of mail-access protocols to retrieve your messages and relay them on to your preferred address.
If you're a newcomer to Fetchmail, it probably won't surprise you to learn that Fetchmail is one of the most popular email utilities in use on the Internet.
Okay, Fetchmail is corralling all the mail from your various POP3 and IMAP mailboxes and sending it all to one central place.
sysadmin.oreilly.com /news/imap_1000.html   (2090 words)

  
 lf130, System Administration: Sendmail and Fetchmail: A local mail server   (Site not responding. Last check: 2007-10-20)
To retreive your mail stored on the server of your Internet Service Provider (ISP in short), it will also be necessary to configure fetchmail in order to feed sendmail with the content of your mailboxes.
fetchmail is for mail retrieval via pop3 or imap.
In fact, the two important lines are commands sendmail -q and fetchmail.
www.linuxfocus.org /English/May2000/article130.shtml   (1048 words)

  
 The Cathedral and the Bazaar by Eric S. Raymond   (Site not responding. Last check: 2007-10-20)
Indeed, my own most successful single hack previous to fetchmail was probably Emacs VC mode, a Linux-like collaboration by e-mail with three other people, only one of whom (Richard Stallman, the author of Emacs and founder of the Free Software Foundation or FSF) I have met to this day.
Fetchmail Grows Up There I was with a neat and innovative design, code that I knew worked well because I used it every day, and a burgeoning beta list.
To make fetchmail as good as I now saw it could be, I'd have to write not just for my own needs, but also include and support features necessary to others but outside my orbit.
www.firstmonday.dk /issues/issue3_3/raymond   (9625 words)

  
 Apache James - Mail and News server - James 2.2 - fetchmail Configurartion   (Site not responding. Last check: 2007-10-20)
fetchmail is useful when delivery via standard SMTP is not an option, as a means of consolidating mail delivered to several external accounts into a single James account, or to apply the mail processing capabilities of James to mail stored in an external message store.
fetchmail has several configuration options that control the fetching and filtering of mail injected into the James input spool.
This greatly simplifies user configuration as the fetchmail accounts for users are automatically synchronized with those defined in the James user repository.
james.apache.org /fetchmail_configuration_2_2.html   (3374 words)

  
 The Emperor Has No Clothes
Perhaps most importantly, getmail goes to great lengths to ensure that mail is never lost, while fetchmail (in its default configuration) frequently loses mail, causes mail loops, bounces legitimate messages, and causes many other problems.
Another remotely-exploitable security hole discovered in fetchmail in June 2002; versions prior to 5.9.10 (released in June 2002) are exploitable.
Reading fetchmail's UPDATES file, it appears that another security problem was fixed in 5.9.12, where a server could crash fetchmail on 64-bit platforms.
esr.1accesshost.com   (1483 words)

  
 Custom mail delivery solutions
Fetchmail's limitations are mostly to do with the fact that the SMTP envelope information has been discarded on delivery to your mailbox, though it has some creative (but not foolproof) ways to try to get around the problem.
Be careful to tell that local SMTP server to treat your domain as local, otherwise it may punt the mail to your local ISP as a smarthost (as you should be doing with all your other mail) and you will have a mail loop.
One of the easiest options is to add a custom header for the envelope recipient so that fetchmail can reliably do its thing (adding X-Envelope-To: header, for instance) and continue with fetchmail.
www.wizzy.com /wizzy/mail.html   (955 words)

  
 Fetchmail
Fetchmail is a remote-mail retrieval and forwarding utility for use over on-demand TCP/IP links (such as SLIP or PPP connections).
You can edit its dotfile directly, or use the interactive GUI configurator (fetchmailconf) supplied with the distribution.
Please consider donating to the FSF to help support this project.
directory.fsf.org /all/fetchmail.html   (303 words)

  
 Fetchmail-friends Info Page   (Site not responding. Last check: 2007-10-20)
It supports every remote-mail protocol now in use on the Internet: POP2, POP3, RPOP, APOP, KPOP, all flavors of IMAP, and ESMTP ETRN.
Fetchmail retrieves mail from remote mail servers and forwards it via SMTP, so it can then be be read by normal mail user agents such as mutt, elm(1) or BSD Mail.
Fetchmail offers better security than any other Unix remote-mail client.
lists.ccil.org /mailman/listinfo/fetchmail-friends   (476 words)

  
 Using fetchmail
fetchmail's features, some basic features will be explained.
fetchmail utility requires a configuration file known as
fetchmail utility can be run in daemon mode by running it with the
www.freebsd.org /doc/en_US.ISO8859-1/books/handbook/mail-fetchmail.html   (249 words)

  
 rhn.redhat.com | Red Hat Support
Fetchmail is a remote mail retrieval and forwarding utility intended for
Both of these bugs are only exploitable if Fetchmail is being used in
All users of Fetchmail are advised to upgrade to the errata packages
rhn.redhat.com /errata/RHSA-2002-215.html   (275 words)

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