mail_ctx          212 mail/ngx_mail_core_module.c     ngx_mail_conf_ctx_t        *ctx, *mail_ctx;
mail_ctx          221 mail/ngx_mail_core_module.c     mail_ctx = cf->ctx;
mail_ctx          222 mail/ngx_mail_core_module.c     ctx->main_conf = mail_ctx->main_conf;