DCHP-1 Online
make up a mail Obs. 
See quote.
- 1931 Writing to his friends at home, Alexander made use of a plan formerly adopted by travellers in that country, the process being known as "making up a mail," and consisted of leaving the letters "conspicuously sticking" where they would be most likely to catch the eye of the "passing traveller," and so be taken on to Fort Garry; but, he comments, "the odds are greatly against such letters ever reaching their destinations. . . ."
- 1931 Writing to his friends at home, Alexander made use of a plan formerly adopted by travellers in that country, the process being known as "making up a mail," and consisted of leaving the letters "conspicuously sticking" where they would be most likely to catch the eye of the "passing traveller," and so be taken on to Fort Garry; but, he comments, "the odds are greatly against such letters ever reaching their destinations. . . ."