IMAP

Resources

Software

• isync - synchronize IMAP4 and Maildir mailboxes ^e38617
• quentinsf/IMAPdedup - IMAP message de-duplicator ^5cef68
• OfflineIMAP/offlineimap3 - Read/sync your IMAP mailboxes (Python 3)
• dovecot/imaptest - IMAP server compliance and stress test tool ^7d24c5
  • Note: Does not support TLS (usually port 993); stunnel can be used to translate; see e.g. jheiss/imaptest
  • Documentation
  • jheiss/imaptest - unofficial Docker image

Services

• Microsoft Remote Connectivity Analyzer

FAQ

Install IMAPtest on Debian Bookworm (12.0)

curl https://repo.dovecot.org/DOVECOT-REPO-GPG-2.4 | gpg --dearmor -o /usr/share/keyrings/dovecot.gpg

deb [signed-by=/usr/share/keyrings/dovecot.gpg] https://repo.dovecot.org/ce-2.4-latest/debian/bookworm bookworm main

apt update
apt upgrade
mkdir ~/mail
curl -o ~/mail/dovecot-crlf -L https://www.dovecot.org/tmp/dovecot-crlf
curl -o imaptest -L https://github.com/dovecot/imaptest/releases/download/latest/imaptest-x86_64-debian-12
chmod u+x imaptest

Example run

./imaptest host=XXXXX user=XXXXX pass=XXXXX port=993 seed=202507221249 ssl=any-cert stalled_disconnect_timeout=60 box=test copybox=copytest