search for: 18446744073709551615b

...> file should also, temporarily, help. In case you do > not get this error from the imap/pop3 processes, perhaps you have > already set a higher vsz_limit for those? Teemu, Thanks for your suggestion. I checked the output of doveconf, and by default it appears the vsz_limit is set to 18446744073709551615B for each of the services, and 256M for default_vsz_limit. I checked a user in question, and their index.cache was indeed large, 123M. Seemingly needlessly so, as I deleted the dovecot files and reindexed, and now it's 6K. Thanks, I'll keep an eye on the users this affects and try to ge...

We're running dovecot 2.2.15 with pigeonhole 0.4.6, in a clustered environment, nfs with proxy and backend on all servers. I've been seeing some odd errors from lmtp: Error: mremap_anon(127930368) failed: Cannot allocate memory It seems to affect specific users, but it doesn't seem to manifest in any particular way; no user complaints. Just the occasional log message. I would