Hi,
If SMTP server rejects RCPT with message
aaa bbbbbbbbbb ccccccc dd eeeeeeeeeeee ffffffffffff gggggggggg hh
iiiiii jj kk llll mmmmmmmmmm nnn o ppppppppppppppp rrrrrr ssssss t
uuuu w xxxxxxx yyyyyy zzzzzzzz aa bbbbbbbbbbb cccccccc dd eeeeee fff
gggggg hhhhhhh iiiiiiii jj kkkkkk ll mm nnnn ooooo ppppppp qqqq r
ssss tttttt uuuuuuuuuuuuu www xxx yyyyyyy zzzzz aaaaa bbbbbbbbb ccc ddddddd
when submitting message via dovecot submisstion server, dovecot panics:
2023-08-10 17:10:04 myhost exim[...] rejected RCPT <[...]>: aa
bbbbbbbbbb ccccccc dd eeeeeeeeeeee ffffffffffff gggggggggg hh iiiiii jj
kk llll mmmmmmmmmm nnn o ppppppppppppppp rrrrrr ssssss t uuuu w
xxxxxxx yyyyyy zzzzzzzz aa bbbbbbbbbbb cccccccc dd eeeeee fff gggggg
hhhhhhh iiiiiiii jj kkkkkk ll mm nnnn ooooo ppppppp qqqq r ssss
tttttt uuuuuuuuuuuuu www xxx yyyyyyy zzzzz aaaaa bbbbbbbbb ccc ddddddd
2023-08-10 17:10:04 myhost dovecot:
submission(test)<7274><bAOu/ZICuuDAqHoB>: Panic: file
smtp-server-reply.c: line 625 (smtp_server_reply_send_real): assertion
failed: (text[0] == '-')
2023-08-10 17:10:04 myhost dovecot:
submission(test)<7274><bAOu/ZICuuDAqHoB>: Error: Raw backtrace:
/usr/lib/dovecot/libdovecot.so.0(backtrace_append+0x42) [0x7f64c8e484e2]
-> /usr/lib/dovecot/libdovecot.so.0(backtrace_get+0x1e) [0x7f64c8e485fe]
-> /usr/lib/dovecot/libdovecot.so.0(+0xfc49b) [0x7f64c8e5449b] ->
/usr/lib/dovecot/libdovecot.so.0(+0xfc531) [0x7f64c8e54531] ->
/usr/lib/dovecot/libdovecot.so.0(+0x53aee) [0x7f64c8dabaee] ->
/usr/lib/dovecot/libdovecot.so.0(+0x4751c) [0x7f64c8d9f51c] ->
/usr/lib/dovecot/libdovecot.so.0(+0x7b605) [0x7f64c8dd3605] ->
/usr/lib/dovecot/libdovecot.so.0(+0x122171) [0x7f64c8e7a171] ->
/usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69) [0x7f64c8e69f59]
-> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x132)
[0x7f64c8e6b592] ->
/usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x50)
[0x7f64c8e6a000] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x40)
[0x7f64c8e6a1c0] ->
/usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13)
[0x7f64c8de04e3] -> dovecot/submission(main+0x4df) [0x562f3ac7c11f] ->
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f64c8ba4d0a]
-> dovecot/submission(_start+0x2a) [0x562f3ac7c1aa]
Error message is configured in exim4.conf with
begin routers
mytestrouter:
[...]
cannot_route_message = aa bbbbbbbbbb ccccccc dd eeeeeeeeeeee
ffffffffffff gggggggggg hh iiiiii jj kk llll mmmmmmmmmm nnn o
ppppppppppppppp rrrrrr ssssss t uuuu w xxxxxxx yyyyyy zzzzzzzz aa
bbbbbbbbbbb cccccccc dd eeeeee fff gggggg hhhhhhh iiiiiiii jj kkkkkk
ll mm nnnn ooooo ppppppp qqqq r ssss tttttt uuuuuuuuuuuuu www xxx
yyyyyyy zzzzz aaaaa bbbbbbbbb ccc ddddddd
Dovecot installed from up-to-date Debian 11 package:
# dpkg -s dovecot-core | grep Version
Version: 1:2.3.13+dfsg1-2+deb11u1
--
Regards,
Paweł Bogusławski
IB Development Team
E: d...@ib.pl
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