On 17.11.2011, at 2.29, Alex wrote: >>> Nov 15 19:51:07 mail02 dovecot: lda(alexuser): Fatal: >>> setresgid(12(mail),12(mail),12(mail)) failed with euid=500(alexuser): >>> Operation not permitted >> >>> Where is it trying to write that it can't? >> >> It's trying to change the process's UID/GID to mail/mail for some >> reason. Have you set "mail_uid=mail" or something? > > mail_uid isn't set, but I have the following in dovecot.conf: > > mail_gid = mail
The error most likely happens because of this. Is there a reason why you want this? > mail_privileged_group = mail This should be enough for creating lock files to /var/spool/mail/. Although dovecot-lda can't use this setting, since it's not started as root..