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@ -50,9 +50,11 @@
<li><a rel="help" href="#install">Installation</a></li>
<li><a rel="help" href="#doc" class="larger" >Documentation</a></li>
<li><a href="S/news.shtml">News about imapsync <!--#exec cmd="cat ./VERSION| tr -d '\n'" -->, previous and next releases</a></li>
<li><a href="S/imapservers.shtml">List of the 79 imap software server applications <b>supported</b></a> by imapsync</li>
<li><a href="S/imapservers.shtml">List of the 81 imap software server applications <b>supported</b></a> by imapsync</li>
<li><a href="S/external.shtml">Similar software tools and external services</a></li>
<li><a href="S/mailing_list.shtml">Discuss or search on the mailing-list</a></li>
<li><a href="S/terms_and_conditions.shtml">Imapsync Terms and Conditions</a></li>
<li><a href="S/privacy_policy.shtml">Imapsync Privacy Policy</a></li>
<li><a href="#BOTTOM">Bottom of this page</a></li>
</ul>
@ -64,28 +66,34 @@
<img width="486" height="309" alt="imapsync logo" src="S/images/logo_imapsync.png" />
</a>
<h1>Welcome to the imapsync web site!</h1>
<h1>Time to copy all your emails and folders elsewhere!</h1>
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<h2>Is it time to copy all your emails and folders elsewhere?</h2>
Site last updated on <b><!--#echo var="LAST_MODIFIED" --></b>
Site last updated on <b><!--#echo var="LAST_MODIFIED" --></b><br/>
<a href="FAQ.d/FAQ.Old_Style_Web_Design.txt">Why this website looks so old fashion?</a>
</div>
<h2>What is imapsync? <a href="#TOP" id="WHATIS"><small>(back to menu)</small></a>
</h2>
<p>
<object data="https://www.youtube.com/embed/15Lz_U9qgJg"></object><br/>
Imapsync presentation by Gilles
</p>
<p>
Imapsync is an <b>IMAP transfers tool</b>.
The purpose of imapsync is to <b>migrate</b> IMAP accounts or to <b>backup</b> IMAP accounts.
IMAP is one of the three current standard protocols to access mailboxes,
IMAP is one of the three current standard protocols used to access mailboxes,
the two other are POP3 and HTTP with webmails,
webmails are often tied to an IMAP server.
</p>
@ -106,7 +114,7 @@ and restart it later efficiently, without generating duplicates.
"<b>Command line</b>" means it's not a graphical tool, on Windows you have to run imapsync
from a <a href="#DOC_BASIC">batch file</a>.
Anyway there is a visual online service,
you can try imapsync at <a href="https://i005.lamiral.info/X/">https://i005.lamiral.info/X/</a>
you can try imapsync online at <a href="https://i005.lamiral.info/X/">https://i005.lamiral.info/X/</a>
</p>
<p>
@ -114,7 +122,8 @@ you can try imapsync at <a href="https://i005.lamiral.info/X/">https://i005.lam
Most email systems don't set or get Contacts or Calendars via the IMAP protocol.
No way via IMAP, no way via imapsync
but it can be done with other tools or via export/import of csv or ics files.
Also consider using <a href="http://caldavsynchronizer.org/">caldavsynchronizer</a> or asking experts at <a href="https://twitter.com/sumatra_dev">Sumatra company</a>.
Also consider using <a href="http://caldavsynchronizer.org/">caldavsynchronizer</a>
or asking experts at <a href="https://twitter.com/sumatra_dev">Sumatra company</a>.
</p>
<p>
@ -163,7 +172,8 @@ See detailed explanation and motivation here when
<span class="family-name">LAMIRAL</span>
</div>
<div class="email"><a href="mailto:gilles@lamiral.info" class="email">gilles@lamiral.info</a></div>
<div class="email"><a href="mailto:gilles@lamiral.info" class="email">gilles@lamiral.info</a>
</div>
<div class="tel">
@ -204,45 +214,75 @@ See detailed explanation and motivation here when
<h2>Buy imapsync and support <a href="#TOP" id="buy_all"><small>(back to menu)</small></a>
</h2>
<blockquote class="twitter-tweet">
<p lang="en" dir="ltr">Imapsync was the best investment I've ever done.</p>
<p>&mdash; Uwe Keim
<a href="https://serverfault.com/questions/818818/imapsync-or-php-to-migrate-email">Dec 6 '16 at 12:17</a>
</p>
</blockquote>
<p>
Read some other nice and true <a href="S/testimonial.shtml">testimonials from users</a>. <br />
</p>
<p>
Buy complete and <b>latest imapsync</b> for <b>&euro;60 EUR</b>. <br />
There is no trial version but I offer <b>30-day money back guarantee</b> whatever the
reason for a refund. Or drop me a gentle email and I will provide you the latest imapsync because,
well, you made the effort to contact me.<br />
After buying and downloading imapsync, go to the <a href="#install">installation</a> documentation.
After downloading imapsync, go to the <a href="#install">installation</a> documentation.
</p>
<p>
<big>
<b>Special</b> offer: it's only <b>&euro;120 EUR</b> if you buy
<b>imapsync</b> + <b>support</b> at once
</big> (instead of 60 + 120 = 180 EUR).
</p>
<p>For <b>&euro;60 EUR</b> you will get:
<p>For <b>&euro;120 EUR</b> you will get:
</p>
<ul>
<li>Imapsync <b>full professional support</b> (that costs also &euro;120 EUR by itself, see why below).</li>
<li>Standalone <b>imapsync.exe</b> for win32, easy installation done by a zip extraction anywhere.
See <a href="README_Windows.txt">README_Windows.txt</a> for details.</li>
<li>Standalone <b>imapsync_bin_Darwin</b> for Mac OS X. </li>
<li>Imapsync Perl <b>source code</b> for any operating system, Unix, Windows, OS X.</li>
<li>The <b>online visual interface</b>, like <b><a href="https://i005.lamiral.info/X/">/X</a></b>, to install the service on <b>a Linux server</b> (not working on Windows yet).</li>
<li><b>Lifetime</b> of imapsync <b>updates</b> without extra payment.</li>
<li><b>30-day money back guarantee!</b> No question nor condition to get a refund, really, just request it and you'll sure get a refund!</li>
<li><a href="NOLIMIT" >No limit</a> to do anything with imapsync and its license.</li>
<li>Standalone <b>imapsync_bin_Darwin</b> for Mac OS X. (not Catalina ready because of the new signature mechanism)</li>
<li>Imapsync Perl <b>source code</b> for any operating system, Unix, Windows, OS X.</li>
<li>The <b>online visual interface</b>, like <b><a href="https://i005.lamiral.info/X/">/X</a></b>,
to install the service on a <b>Linux server</b> (not working on Windows yet).</li>
<li><b>Lifetime</b> of imapsync <b>updates</b> without extra payment.</li>
<li><b>30-day money back guarantee!</b> No question nor condition to get a refund, really, just request it and you'll sure get a refund!</li>
<li><a href="NOLIMIT" >No limit</a> to do anything with imapsync and its license.</li>
</ul>
<p>For <b>&euro;60 EUR</b> you will get all the above except imapsync <b>full professional support</b> (the first line).
</p>
<p>
For <b>&euro;60 EUR</b> independently, you get imapsync <b>full professional support</b>,
For <b>&euro;120 EUR</b> independently, you get imapsync <b>full professional support</b>,
provided by the imapsync designer and developer, Gilles LAMIRAL, your servitor, who has
been supporting imap migrations with imapsync for more than 18 years (I started in 2001).
See a detailed <a href="#SUPPORT"><b>support description</b></a> below.
</p>
<p>
<big>
<b>Special</b> offer: it's only <b>&euro;100 EUR</b> if you buy
<b>imapsync</b> + <b>support</b> at once
</big> (instead of 60 + 60 = 120 EUR).
You may wonder <b>why the support alone is the same price as imapsync+support?</b> it's
because when you buy both at once, I'm not sure I will have to spend some time
directly with you, it's possible that everything will go smoothly for you;
but when you buy the support alone, after buying the software,
then I will surely spend time (any amount of hours) to help you.
Does it seem fair enough?
</p>
<form method="post" action="https://www.paypal.com/cgi-bin/webscr">
<p>
<input type="hidden" value="_s-xclick" name="cmd" />
@ -251,9 +291,9 @@ See a detailed <a href="#SUPPORT"><b>support description</b></a> below.
<label class="">Imapsync buying options:
<select name="os0">
<option value="Software + Support. For professional use." class="bold">Software_+_Support. For_professional_use: &euro;120 EUR</option>
<option value="Software only. For professional use." class="bold" >Software_only.______For_professional_use: &euro;60 EUR</option>
<option value="Support only. For professional use." class="" >Support__only.______For_professional_use: &euro;60 EUR</option>
<option value="Software + Support. For professional use." class="bold">Software_+_Support. For_professional_use: &euro;100 EUR</option>
<option value="Support only. For professional use." class="" >Support__only.______For_professional_use: &euro;120 EUR</option>
<option disabled="disabled" class="" >~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</option>
<option value="Software only. For individual use." class="" >Software only.______For_individual___use: &euro;60 EUR</option>
</select>
@ -267,7 +307,7 @@ Professionals buyers outside France are <b>VAT exempted</b>. Individuals or Fren
<input type="text" maxlength="17" size="17" name="os1" />
</label>
it is for accounting and customs declaration.<br />
VAT is often 2 letters followed by 11 digits, for example mine is FR74429303332.<br />
VAT is often 2 letters followed by several digits, for example mine is FR74429303332.<br />
<input type="hidden" value="EUR" name="currency_code" />
<input type="image"
@ -281,18 +321,18 @@ or a <b><a href="#crypto">Crypto</a> payment</b>.
</form>
<p>
At the end of the payment Paypal will proposed you to go back to the site,
<b>Instantly</b> at the end of the payment, Paypal will proposed you to go back to the site,
via a link to <b>gilles@lamiral.info</b> (it's my paypal account name),
this link brings you to <b>imapsync download</b>.<br />
You will also receive an email from <b>gilles@lamiral.info</b> a few minutes later
(can fall in the Spam folder sometimes).<br />
(it can fall in the Spam folder sometimes).<br />
In order to get an accurate invoice, please make sure the delivery postal address you enter in Paypal
suits your accounting department, since revised editing is not easy.<br />
Your <b>invoice</b> will be sent within <b>a few days by email</b>.
My company is identified by VAT number FR74429303332 or French SIRET number 42930333200051,
French APE/NAF number 6201Z (programmation informatique, aka, computer programming).
French APE/NAF number 6201Z ("programmation informatique" in French, aka, computer programming).
</p>
<h3>Support <a href="#TOP" id="SUPPORT"><small>(back to menu)</small></a>
@ -300,11 +340,12 @@ French APE/NAF number 6201Z (programmation informatique, aka, computer programmi
<p>For those of you who seek support, <b>contact me</b>, Gilles LAMIRAL, by email or phone:</p>
<ul>
<li>Email address: <b>gilles@lamiral.info</b>.</li>
<li>Desk phone number: <b>+33 9 51 84 42 42</b> located in France.</li>
<li>Email address: <b>gilles@lamiral.info</b>.</li>
<li>Desk phone number: <b>+33 9 51 84 42 42</b> located in France.</li>
<li>Mobile phone number: <b>+33 6 19 22 03 54</b> located in France (SFR operator).</li>
<!--
<li>Twitter: <a href="https://twitter.com/imapsync">https://twitter.com/imapsync</a></li>
<!--
<li>Facebook: <a href="https://www.facebook.com/imapsync">https://www.facebook.com/imapsync</a></li>
<li>Jabber address: <b>gilleslamiral@jabber.org</b></li>
<li>Google+: <a href="https://plus.google.com/+GillesLamiral/">https://plus.google.com/+GillesLamiral/</a></li>
@ -316,12 +357,13 @@ Office hours start at 10:00, end at 16:00 UTC, extra time is possible in case of
The <b>support aims at helping you to get your imap migration job done</b>, quickly if possible.
Support includes things like <b>no time to read the documentation</b>,
how to deal with special imap server softwares (Gmail, Exchange),
how to deal with special imap software servers (Gmail, Office365, Exchange etc.),
choosing and explaining options, explaining error messages,
solving authentication issues,
dealing with speed, quotas, special context,
running in parallel, etc., so in summary: anything!
running in parallel, etc., so in summary: <b>anything!</b>
</p>
<p>
I have been supporting imap migrations with imapsync since 2001, I still enjoy it!
</p>
@ -330,15 +372,16 @@ I have been supporting imap migrations with imapsync since 2001, I still enjoy i
</h3>
<p>If you can't pay with a credit card via Paypal then it is possible to pay via a bank transfer.
<!--
It will surely add extra work editing the invoice, back and forth getting good coordinates,
so I will mandatory charge both software+support for payment via bank transfer, that is 100 EUR.
-->
</p>
<p>Refund for a bank transfer is far less easy than with Paypal so drop me an email to test imapsync
and to be sure it will do what you need it to do, before any payment.<br />
The bank account references will be given upon request.
</p>
<p>
It will surely add extra work editing manually the invoice, back and forth getting good coordinates,
so I will charge both software and support normal prices for a payment via bank transfer,
that is 120 EUR.
</p>
<h3>Payment with crypto currencies, Bitcoins, Ethereum etc. <a href="#TOP" id="crypto"><small>(back to menu)</small></a>
@ -373,33 +416,54 @@ The bank account references will be given upon request.
</h2>
<ul>
<li><b>6000 to 7000 </b>users per month (45000 users a year).</li>
<li>7 to 12 millions mailboxes transfers per month.</li>
<li><b>108 millions</b> transfers for 2018,
that is more than three whole mailboxes synced per second in average,
and an estimation of 38 Petabytes ( 1 PiB = 2^50 bytes = 1024^5 ~ 10^15) transferred in total,
taking a mean of 400 Mbytes per mailbox (a mean given by online /X stats).
<li><b>6000 to 7000 </b>users per month (48000 users a year).</li>
<li>11 to 16 millions mailboxes transfers per month.</li>
<li><b>159 millions</b> transfers for 2019,
that is five whole mailboxes complitely synced per second in average (159*10^6/365/24/3600),
and an estimation of 71 Petabytes ( 1 PiB = 2^50 bytes = 1024^5 ~ 10^15) transferred in total in 2019,
taking a mean of 500 Mbytes per transfer (an estimated mean given by online /X real stats).
71 Petabytes = 500*10^6*159*10^6. The global internet traffic of 2019 was 2004 Exabytes so imapsync
is a very very tiny thing (35 per million).
</li>
<li>
<b>159 millions</b> transfers for 2019.
That's nearly 717 millions email messages transferred by imapsync every day (1600*164/366)
taking a mean of 1600 messages per transfer (an estimated mean given by online /X real stats).
The internet global estimated number of messages sent every day is 300 billions in 2019
(10% being non-spam but that's another story...).
So imapsync does 0.24% of all email trafic, not that bad for a command line tool!
</li>
<li><b>Operating systems</b> run by imapsync users (in 2018):
<li><b>Operating systems</b> run by imapsync users (in 2019):
<ul>
<li><b>Linux: 70%</b></li>
<li><b>Win32: 17%</b></li>
<li><b>Darwin: 12%</b></li>
<li><b>FreeBSD: 1%</b></li>
<li>Solaris: 0.04%</li>
<li>OpenBSD: 0.04%</li>
<li>Other: 0.01%</li>
<li><b>Linux: 68%</b></li>
<li><b>Win32: 18%</b></li>
<li><b>Darwin: 13%</b></li>
<li><b>FreeBSD: 0.92%</b></li>
<li>OpenBSD: 0.05%</li>
<li>Solaris: 0.03%</li>
<li>Cygwin: 0%</li>
<li>Unknown: 0%</li>
<li>Other: 0%</li>
</ul>
</li>
<li><b>Highest use rate</b>: about <b>56 millions</b> of IMAP mailbox transfers by just one host.</li>
<li><b>Biggest known account</b> migrated: <b>2.4 millions folders</b> (figure independently reported).</li>
</ul>
<p>
The figures presented here do not include the github imapsync release usage.
It's because --noreleasecheck is on by default since release 1.592 (2014/05/22)
in the github release.
Looking at the numbers before and after 2014, the figures showed here
could be doubled.
</p>
<p>
@ -416,7 +480,7 @@ Via the <b>User-agent</b> parameter it also sends:</p>
<p>You can <b>remove this behavior</b> by adding option <b>--noreleasecheck</b> on the command line
(or by setting $releasecheck = 0 in the source code).
Check <a href="http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-4279">CVE-2013-4279</a>.
Check <a href="https://nvd.nist.gov/vuln/detail/CVE-2013-4279">CVE-2013-4279</a>.
</p>
@ -481,7 +545,19 @@ All example scripts can be found in the <a href="examples/">examples/*</a> dire
<h2>Installation <a href="#TOP" id="install"><small>(back to menu)</small></a>
</h2>
<p>Depending on the system where you'll run imapsync:</p>
<p>
Hardware system requirements:
</p>
<ul>
<li><b>500 MB of RAM</b> is ok. The mean value RAM used per imapsync process is 230 MB.</li>
<li><b>Any CPU</b> is ok.</li>
<li><b>100 MB of disk space</b> is far enough.</li>
<li><b>Any network link</b> is ok. The average bandwidth rate is 345 KiB/s ~ 2.8 Mbps.</li>
</ul>
<p>Depending on the system where you'll run imapsync:</p>
<ul>
<li>Windows users, read directly <a href="README_Windows.txt">README_Windows.txt</a>.</li>
@ -495,7 +571,7 @@ All example scripts can be found in the <a href="examples/">examples/*</a> dire
<li>ArchLinux users, read <a href="INSTALL.d/INSTALL.ArchLinux.txt">INSTALL.ArchLinux.txt</a>.</li>
<li>FreeBSD users, read <a href="INSTALL.d/INSTALL.FreeBSD.txt">INSTALL.FreeBSD.txt</a>.</li>
<li>Docker users, read <a href="INSTALL.d/INSTALL.Docker.txt">INSTALL.Docker.txt</a>
<li>Docker users, read <a href="FAQ.d/FAQ.Docker.txt">FAQ.Docker.txt</a>
or directly the <a href="https://hub.docker.com/r/gilleslamiral/imapsync/">Imapsync Docker page</a>.</li>
<li>Online UI sysadmins, wanting their own <a href="https://i005.lamiral.info/X/">/X</a>,
@ -539,8 +615,10 @@ to understand imapsync and succeed in your migration or backup.
<li> <a href="FAQ.d/FAQ.Zimbra.txt">Zimbra</a>. </li>
<li> <a href="FAQ.d/FAQ.SmarterMail.txt">SmarterMail</a>. </li>
<li> <a href="FAQ.d/FAQ.Kerio.txt">Kerio</a>. </li>
<li> <a href="FAQ.d/FAQ.Various_Software_Servers.txt">Other various imap software servers</a>. </li>
<li> <a href="FAQ.d/FAQ.Oracle-UCS.txt">Oracle-UCS</a>. </li>
<li> <a href="FAQ.d/FAQ.David_Tobit.txt">David Tobit</a>. </li>
<li> <a href="FAQ.d/FAQ.Yandex.txt">Yandex</a>. </li>
<li> <a href="FAQ.d/FAQ.Various_Software_Servers.txt">Other various imap software servers</a>. </li>
</ul>
</div>
@ -587,6 +665,9 @@ to understand imapsync and succeed in your migration or backup.
<li> <a href="FAQ.d/FAQ.Emptying.txt">Emptying an account</a>. </li>
<li> <a href="FAQ.d/FAQ.XOAUTH2.txt">XOAUTH2 (Gmail)</a>. </li>
<li> <a href="FAQ.d/FAQ.OnlineUI.txt">Online Visual Inferface (the web GUI /X)</a>. </li>
<li> <a href="FAQ.d/FAQ.Principles.txt">Principles and design ideas</a>. </li>
<li> <a href="FAQ.d/FAQ.GDPR.txt">GDPR</a> (General Data Protection Regulation). </li>
<li> <a href="FAQ.d/FAQ.Docker.txt">Using Docker.</a> </li>
</ul>
</div>
@ -604,7 +685,7 @@ lists what may be coded or done in the future.
</p>
<p>What you're allowed to do with imapsync is <b>"No limits to do anything with this work and this license."</b>
like repeated in the <a href="LICENSE">LICENSE</a> file (the detour is worth it).
like written in the <a href="LICENSE">https://imapsync.lamiral.info/LICENSE</a> file (the detour is worth it).
</p>
@ -638,7 +719,7 @@ like repeated in the <a href="LICENSE">LICENSE</a> file (the detour is worth it
<!--#config timefmt="%D" -->
<!--#config timefmt="%A %B %d, %Y" -->
<b>This document last modified on <!--#echo var="LAST_MODIFIED" --></b>
($Id: index.shtml,v 1.419 2019/06/26 22:25:17 gilles Exp gilles $)<br />
($Id: index.shtml,v 1.443 2020/01/02 23:37:20 gilles Exp gilles $)<br />
<a href="#TOP">Top of the page</a>
</p>
</body>