so_keepalive 121 mail/ngx_mail.h ngx_flag_t so_keepalive; so_keepalive 54 mail/ngx_mail_core_module.c offsetof(ngx_mail_core_srv_conf_t, so_keepalive), so_keepalive 161 mail/ngx_mail_core_module.c cscf->so_keepalive = NGX_CONF_UNSET; so_keepalive 182 mail/ngx_mail_core_module.c ngx_conf_merge_value(conf->so_keepalive, prev->so_keepalive, 0); so_keepalive 123 mail/ngx_mail_proxy_module.c if (cscf->so_keepalive) {