recv_action       838 mail/ngx_mail_proxy_module.c     char                   *action, *recv_action, *send_action;
recv_action       869 mail/ngx_mail_proxy_module.c             recv_action = "proxying and reading from upstream";
recv_action       876 mail/ngx_mail_proxy_module.c             recv_action = "proxying and reading from client";
recv_action       885 mail/ngx_mail_proxy_module.c             recv_action = "proxying and reading from client";
recv_action       892 mail/ngx_mail_proxy_module.c             recv_action = "proxying and reading from upstream";
recv_action       936 mail/ngx_mail_proxy_module.c             c->log->action = recv_action;