TZUTC: -0800
MSGID: 54185.syncprog@1:103/705 2dd11d6a
PID: Synchronet 3.21b-Linux master/177a369d2 Jan 04 2026 GCC 12.2.0
TID: SBBSecho 3.34-Linux master/d12055aa1 Jan 16 2026 GCC 12.2.0
BBSID: VERT
CHRS: ASCII 1
FORMAT: flowed
https://gitlab.synchro.net/main/sbbs/-/commit/71aa48f825f3f72ac8c97291
Modified Files:
	src/sbbs3/mail.cpp mailsrvr.cpp main.cpp pack_rep.cpp qwk.cpp readmail.cpp
Log Message:
Using smb_lock/unlock more regularly

A locked SMB should be quickly closed and not re-opened until it's unlocked.

This mainly to better support packing/rebuilding the mail base while other
processes (e.g. the mail server) are up and potentially trying to use it.

smbutil did lock it, but not everything quickly responded to a locked base and
the index-rebuilding code in sbbs_t::delmail() didn't lock it.
--- SBBSecho 3.34-Linux
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