On 3.2.2012, at 14.25, Jan-Frode Myklebust wrote: > I now implemented this patch on our directors, and pointed postfix at them. > No problem seen so far, but I'm still a bit uncertain about the > LMTP_PROXY_DATA_INPUT_TIMEOUT_MSECS. I know we're experienceing quite > large delays when fsync'ing (slow IMAP APPEND). Do you think increasing > LMTP_PROXY_DATA_INPUT_TIMEOUT_MSECS is a sensible workaround if we start > seeing lmtp_proxy_output_timeout problems again ?
Your fsyncs can run over 60 seconds? I think even if you increase Dovecot's timeout you'll soon reach your MTA's LMTP timeout.
