Hi Replication works fine on poor TCP, when I enable SSL it fails Jul 06 17:28:48 mail dovecot[13114]: doveconf: Fatal: execvp(/usr/libexec/dovecot/managesieve) failed: Argument list too long Jul 06 17:28:48 mail dovecot[13114]: config: Error: managesieve-login: dump-capability process returned 89 Jul 06 17:28:48 mail dovecot[13114]: doveadm: Error: Corrupted SSL parameters file in state_dir: ssl-parameters.dat - disabling SSL 360 Jul 06 17:28:48 mail dovecot[13114]: doveadm: Error: Couldn't initialize SSL parameters, disabling SSL I have set: service doveadm { ? inet_listener { ??? address = {{ dovecot_doveadm_listen_address }} ??? port = {{ dovecot_doveadm_listen_port }} ??? ssl = yes ? } } ssl_client_ca_file = </etc/ssl/certs/ca-bundle.crt plugin { ? mail_replica = tcps:{{ dovecot_replica }}:{{ dovecot_doveadm_listen_port }} } I am running native dovecot 2.2.10 on Centos 7. File ssl-parameters.dat exists. I have already removed it and regenerated - does not help Thanks for any advice. Vladimir