To write an address correctly, follow the international ISO standards. Write the address in English or in an official language of the destination country.

We cannot guarantee a period for international letters. bpost treats your letter as Priority mail, but the speed of delivery depends on the postal service in the destination country.

To send a letter abroad, you need an international stamp: Europe for European destinations and World for the rest of the world. Mail your letter in one of the red mailboxes or drop it off in a Post Office.

If you wrote your address on the back of the envelope, the undelivered letter will be sent back to you.

It is forbidden to send money by both national and international mail.

More information about things that you cannot send as a letter can be found in the General Terms and Conditions. Sometimes it's better to send objects in a reinforced envelope or as a parcel.

Do you want to send an important letter? We recommend that you send it as Registered Mail (if desired with a Declared Value).

We automatically treat international mail as Priority mail. But the final delivery period depends on the postal service in the destination country. bpost has no influence over this. To be sure that your letter or card is treated as Priority mail abroad, attach an 'A PRIOR' stick-on label. You can get those labels for free in a Post Office.

You can only take insurance if you send your letter as International Registered Mail. We advise you to use Registered Mail if you send valuable mail.

You will receive confirmation of receipt if you send your international mail as International Registered Mail.

In principle, customs does not open any letters. But they do have the right to do that. For example, if your mail looks suspicious.