如果包裹出现延误，卖家需主动告知买家包裹目前的状态。一方面让买家知道你仍然在关心他的包裹，让买家感受到你的真诚服务;另一方面让买家了解是由于海关等客观原因造成包裹运输的延误 
如果包裹出现延误，卖家需主动告知买家包裹目前的状态。一方面让买家知道你仍然在关心他的包裹，让买家感受到你的真诚服务;另一方面让买家了解是由于海关等客观原因造成包裹运输的延误，不在双方的可控范围之内，从而让买家理解国际货运时间较长。
Dear_________,
Thank you for purchasing our ________.
First of all, please accept our apology for item delaying and you won’t receive the item at the estimated time.
Sincerely, we’ve kept monitoring your item from the day it was shipped. But we find out that its current status as ‘Foreign International Dispatch’, which means it requires a few more days on the transits or for customs declaration.Your package can be tracked on the USCustomerhttp://www.usps.com.
Sorry again for any inconvenience has been caused to you; please feel free to contact us if there’s anything we can help
Best Regards,
Seller ID or Seller Name
如果您的买家不是美国买家，以下为其他国家的海关查询网址，您可在邮件中做相应修改：
●CA Customer:http://www.canadapost.ca/Personal/Tools/Track/ItemSingle.aspx
●UKCustomer:http://track.royalmail.com(Only show delivery date)
●DE Customer: Call 0049-69-97502140
●FR Customer:http://www.chronopost.fr/transport-express/livraison-colis/accueil
●BrazilCustomer:http://www.correios.com.br/servicos/rastreamento/internacional/default.cfm
●AU Customer:http://ice.auspost.com.au/
（来源：外贸日报）
