Question:
We are getting intermittent errors in the error logs like this:
imap_open(): Couldn't open stream {imap.example.com:993/ssl/novalidate-cert}
imap_gc() expects parameter 1 to be resource, null given
0 TLS/SSL failure for imap.example.com: Unexpected TCP input disconnect
Unknown: TLS/SSL failure for imap.example.com: Unexpected TCP input disconnect (errflg=2)
Unknown: [CLOSED] IMAP connection broken (server response) (errflg=1)
0 Too many login failures
All our email accounts seem to be working fine. Should we be worried?
Answer:
This error can happen due to common, transient network glitches where there's a temporary problem connecting to your IMAP server. It is normal to see this happen as often as a few times a day with no impact on the helpdesk. Unless it is happening very frequently (ie once every few minutes), there is no reason to worry.
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