Thread: Should I retry some commands during a POP3 session? Read more: Should I retry some c

  1. 07-15-2010 #1
    Altertwin
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    Should I retry some commands during a POP3 session? Read more: Should I retry some c

    Hello,

    I'm writing a peer2mail client. To connect to the mailboxes I use pop3 protocol. I'm connecting to a pop3 server and downloading some mails using commands like:
    - USER
    - PASS
    - STAT
    - TOP
    - RETR

    I want the program to be as reliable as possible. I'd like to ask you then, if I should retry sending some commands in case of their failure. If so, which of them and how many times? Should I retry the connection to pop3server itself?

    Thank you in advance for your effort,
    Michael.
  2. 07-15-2010 #2
    Salem
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    Start by looking at the error response that comes back.

    Password incorrect should not be retried at all, unless you want an automated way of locking yourself out with too many attempts.
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
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