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I copied the recipe from the procmailex manual page for checking for duplicates, but now I get a lot of log entries saying this invocation of formail is failing. Whats up?

April 26, 2017checking copied duplicates entries log manual page recipe

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I copied the recipe from the procmailex manual page for checking for duplicates, but now I get a lot of log entries saying this invocation of formail is failing. Whats up?

1 Answer

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10 Posted

It’s supposed to work that way. What the recipe does is, if formail detects a duplicate, it will succeed, which makes Procmail think the message is now delivered. Q: Uh, I’m not sure I understand that. A: It’s a bit of a play with side effects.