Running Dovecot from the daily builds: 2:2.3.0~alpha0-1~auto+1287 in an proxy setup:

auth_mechanisms = plain login default_vsz_limit = 1 G imapc_host = <redacted>.charite.de imapc_port = 993 imapc_ssl = imaps imapc_ssl_verify = no listen = *,:: mail_gid = imapproxy mail_home = /home/imapproxy/%u mail_location = imapc:~/imapc mail_plugins = mail_log notify mail_uid = imapproxy passdb { args = host=<redacted>.charite.de port=993 ssl=imaps ssl_ca_file=/etc/ssl/certs/ca-certificates.crt default_fields = userdb_imapc_user=%u userdb_imapc_password=%w userdb_imapc_host=<redacted>.charite.de userdb_imapc_ssl=imaps userdb_imapc_port=993 driver = imap } postmaster_address = postmaster@charite.de protocols = imap service auth { inet_listener { address = 127.0.0.1 port = 12345 } } ssl = required ssl_ca =

Error in my log:

Dec 14 14:35:28 mproxy dovecot: imap(voxxxxea)<79275><dnC4tUxgZs3BrwIS>: Panic: file imap-client.c: line 1204 (client_handle_input): assertion failed: (o_stream_is_corked(client->output)) Dec 14 14:35:28 mproxy dovecot: imap(voxxxxea)<79305><taooukxgd83BrwIS>: Panic: file imap-client.c: line 1204 (client_handle_input): assertion failed: (o_stream_is_corked(client->output)) Dec 14 14:35:28 mproxy dovecot: imap(voxxxxea)<79275><dnC4tUxgZs3BrwIS>: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xc3cd5) [0x7fe40d9cccd5] -> /usr/lib/dovecot/libdovecot.so.0(+0xc3dbc) [0x7fe40d9ccdbc] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7fe40d942f8e] -> dovecot/imap voxxxxea 193.175.2.18 [0x564f326e0e18] -> dovecot/imap voxxxxea 193.175.2.18 [0x564f326e0f20] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69) [0x7fe40d9e48f9] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x10a) [0x7fe40d9e612a] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x52) [0x7fe40d9e4a02] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7fe40d9e4c18] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7fe40d965b63] -> dovecot/imap voxxxxea 193.175.2.18 [0x564f326d3113] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7fe40d5623f1] -> dovecot/imap voxxxxea 193.175.2.18 [0x564f326d32f1] Dec 14 14:35:28 mproxy dovecot: imap(voxxxxea)<79305><taooukxgd83BrwIS>: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xc3cd5) [0x7faa962d8cd5] -> /usr/lib/dovecot/libdovecot.so.0(+0xc3dbc) [0x7faa962d8dbc] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7faa9624ef8e] -> dovecot/imap voxxxxea 193.175.2.18 [0x5615124cde18] -> dovecot/imap voxxxxea 193.175.2.18 [0x5615124cdf20] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69) [0x7faa962f08f9] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x10a) [0x7faa962f212a] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x52) [0x7faa962f0a02] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7faa962f0c18] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7faa96271b63] -> dovecot/imap voxxxxea 193.175.2.18 [0x5615124c0113] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf1) [0x7faa95e6e3f1] -> dovecot/imap voxxxxea 193.175.2.18 [0x5615124c02f1]

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