Setup Email Server From Scratch On FreeBSD #2 - 25 IMAPSYNC

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We believe in data independence, and support others who want data independence.
Debian Email From Scratch version 2 finished 2025-07-30.
We are still adding to it but it all works!

#################################
# Install imapsync on Debian 12 #
#     Updated on 2025-07-29     #
#################################

Instructions here are taken directly from the Debian imapsync README

apt install -y \
libauthen-ntlm-perl \
libcgi-pm-perl \
libcrypt-openssl-rsa-perl \
libdata-uniqid-perl \
libencode-imaputf7-perl \
libfile-copy-recursive-perl \
libfile-tail-perl \
libio-socket-inet6-perl \
libio-socket-ssl-perl \
libio-tee-perl \
libhtml-parser-perl \
libjson-webtoken-perl \
libmail-imapclient-perl \
libparse-recdescent-perl \
libproc-processtable-perl \
libmodule-scandeps-perl \
libreadonly-perl \
libregexp-common-perl \
libsys-meminfo-perl \
libterm-readkey-perl \
libtest-mockobject-perl \
libtest-pod-perl \
libunicode-string-perl \
liburi-perl \
libwww-perl \
libtest-nowarnings-perl \
libtest-deep-perl \
libtest-warn-perl \
make \
time \
cpanminus

wget -N https://imapsync.lamiral.info/imapsync
chmod +x imapsync
./imapsync
cp imapsync /usr/bin

To use imap sync with google or microsoft aka gmail, outlook, live, or hotmail
you may need to set an app specific password or turn off two factor authentication.

I got my email off these services with an app specific password before they got
too sticky but was unable to do it later, so mileage may vary.

To use imapsync here are some examples ...

Google To Mail Stack

.imapsync --nosyncacls --subscribe --syncinternaldates --addheader --host1 \
imap.gmail.com --user1 user1@gmail.com --password1 oldappspecificpassword --ssl1 \
--host2 mx.domain2.com -user2 user2@domain2.com -password2 mynewemailpassword --ssl2

Hotmail To Mail Stack

imapsync --nosyncacls --subscribe --syncinternaldates --addheader --host1 \
outlook.office365.com --user1 user1@hotmail.com --password1 hotmailappspecificpassword --ssl1 \
--host2 mx.domain2.com -user2 user2@domain2.com -password2 mynewmailpassword --ssl2

I recently moved my email from a zimbra email service to a new one installed
on Debian using the tutorial from linuxbabe. This tutorial is out of date but
is an excellent roadmap to install and tune a mail stack from scratch.

Zimbra To Mail Stack

imapsync --nosyncacls --subscribe --syncinternaldates --addheader --host1 \
192.168.100.1 --user1 user1@domain1.net --password1 oldemailpassword --ssl1 --host2 \
10.55.55.35 -user2 user1@domain2.com -password2 newmailpassword --ssl2

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