| Commit message (Collapse) | Author | Age | Files |
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For `ssl_cipher_list` we pick the suggested value from
https://ssl-config.mozilla.org/#server=dovecot&version=2.3.9&config=intermediate&openssl=1.1.1d
At the moment it's equivalent (modulo order) to adding ‘EDH+AESGCM+aRSA’
to ‘EECDH+AESGCM:EECDH+CHACHA20!MEDIUM!LOW!EXP!aNULL!eNULL’.
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This avoids lmtp errors like
Error: mmap(size=0) failed with file […] dbox-Mails/dovecot.index.cache: Cannot allocate memory
See https://www.dovecot.org/list/dovecot/2012-August/137569.html and
https://www.dovecot.org/list/dovecot/2011-December/132455.html .
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(On port 143.) Moreover, add the whole IPSec virtual subnet to
‘login_trusted_networks’ since our IPSec tunnels provide end-to-end
encryption and we therefore don't need the extra SSL/TLS protection.
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