I added the suggested "count--" and recompiled, and it now appears to work, the replication goes both ways, eyeballing the e-mail on the two servers they look the same. Good.

But part of the time I am still getting what looks very much like the same crash, is there another "count--" I need to add to that file?

Jan 28 10:53:08 la dovecot[96175]: replicator: Panic: data stack: Out of memory when allocating 268435496 bytes Jan 28 10:53:08 la dovecot[96175]: replicator: Error: Raw backtrace: #0 t_askpass[0x7fb404b0c0] -> #1 backtrace_append[0x7fb404b374] -> #2 backtr
ace_get[0x7fb404b510] -> #3 execvp_const[0x7fb4057ba4] -> #4 i_syslog_fatal_handler[0x7fb4058510] -> #5 i_panic[0x7fb3fa6808] -> #6 t_pop_pass_st
r[0x7fb4050eb4] -> #7 connection_deinit[0x7fb4056430] -> #8 pool_datastack_create[0x7fb407e7b0] -> #9 array_bsearch_insert_pos_i[0x7fb40446d0] ->
#10 t_base64_scheme_decode[0x7fb404cb24] -> #11 buffer_append[0x7fb404d3d0] -> #12 replicator_queue_push[0x558c4b4f40] -> #13 replicator_brain_i
nit[0x558c4b53e4] -> #14 _start[0x558c4b3d70] -> #15 _start[0x558c4b3f04] -> #16 io_loop_call_io[0x7fb4072f20] -> #17 io_loop_handler_run_interna
l[0x7fb4075450] -> #18 io_loop_handler_run[0x7fb4075680] -> #19 io_loop_run[0x7fb4075944] -> #20 master_service_run[0x7fb3fd84b0] -> #21 main[0x5
58c4b3930] -> #22 __libc_init_first[0x7fb3dd76d0] -> #23 __libc_start_main[0x7fb3dd7780] -> #24 _start[0x558c4b3b80] Jan 28 10:53:08 la dovecot[96175]: replicator: Fatal: master: service(replicator): child 96714 killed with signal 6 (core dumps disabled - https:
//dovecot.org/bugreport.html#coredumps)

Thanks,

-kb