I recently changed the userdb to sql, using a stored procedure and since then,
every so often, maybe 2-3 times per day I see errors like these in the maillog:
Apr 17 13:33:04 imap1 dovecot[41212]: auth-worker(41325): Error: mysql
(192.168.1.95): Connect failed to database (virtualusers): SSL connection
error: error:140BA041:SSL routines:SSL_new:malloc failure - waiting for 1
seconds before retry
Apr 17 13:33:05 imap1 dovecot[41212]: auth-worker(41325): Error: mysql
(192.168.1.95): Connect failed to database (virtualusers): SSL connection
error: SSL_CTX_new failed - waiting for 5 seconds before retry
Apr 17 13:33:10 imap1 dovecot[41212]: auth-worker(41325): Error: mysql
(192.168.1.95): Connect failed to database (virtualusers): SSL connection
error: SSL_CTX_new failed - waiting for 25 seconds before retry
Apr 17 13:33:35 imap1 dovecot[41212]: auth-worker(41325): Error: mysql
(192.168.1.95): Connect failed to database (virtualusers): SSL connection
error: SSL_CTX_new failed - waiting for 125 seconds before retry
Apr 17 13:34:04 imap1 dovecot[41212]: auth-worker(41325): Error: sql
(u...@domain.com,1.2.3.4,<5ohIy/wyHvox5b/p>): User query failed: Not connected
to database
Is this the auth-worker running out of memory ?
I have these settings:
auth_cache_size = 8 k
auth_mechanisms = plain login
auth_socket_path = /var/run/dovecot/auth-master
auth_verbose = yes
auth_worker_max_count = 130
service auth {
unix_listener auth-master {
mode = 0600
user = vuser
}
user = root
client_limit=1500
}
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