Hi dovecot users, 

I’ve found the -R parameter for dsync. Does this enable one-way syncing if 
enabled on the slave in replication_dsync_parameters? The documentation doesn’t 
mention much what happens if I enable this on the “replciation slave”. 

Before you ask: Two way synchronisation causes issues in my installation (see 
the unanswered thread here: 
http://www.dovecot.org/list/dovecot/2017-March/107431.html), it causes unread, 
deleted messages to re-appear. I would hope that one-way synchronisation would 
avoid this, but I’d also like to know if the -R parameter is safe to use. 
I am also still wondering if anybody has a perfectly working 2-way-synchronised 
dovecot installation (and I’m interested in your dovecot -n). 

wogri

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