上海焱展信息是培训吗:Recipient address rejected: need fully-qualified address，这英语的意思

Recipient address rejected: need fully-qualified address，这英语的意思 错误：“发送给 <email address of recipient> 的主题为 recipient of service recipient of service 什么是intended recipient 怎么翻译recipient of service ？ email address invoicing address physical address network address