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Issue tracker housecleaning: SVN-1804

From: Nathan Hartman <hartman.nathan_at_gmail.com>
Date: Sun, 20 Oct 2019 00:46:25 -0400

From the "Closing Old Issues" department:

SVN-1804: "mailer.py doesn't catch SMTPRecipientsRefused in finish()"
* Created and last updated in 2004.
* No comments in more than 15 years.

From my reading of this issue, the impact is that any mail delivery
hiccup may cause this hook script to exit with an unhandled exception,
impeding any further mails that it might have sent.

Looking at mailer.py in trunk_at_HEAD, SMTPOutput.finish() doesn't handle
any exceptions. In particular:

SMTP.login may raise:
* SMTPHeloError
* SMTPAuthenticationError
* SMTPNotSupportedError
* SMTPException

SMTP.sendmail may raise:
* SMTPRecipientsRefused
* SMTPHeloError
* SMTPSenderRefused
* SMTPDataError
* SMTPNotSupportedError

Any of these exceptions cause the same impact. The same is probably
true of any unhandled exceptions throughout the script, but SMTP errors
are completely outside our control.

So we have a choice to make:


Option 1: Handle (and ignore) exceptions in SMTPOutput.finish() to let
script execution continue after any SMTP failure. This could be as
simple as wrapping the contents of SMTPOutput.finish() in a "try:" ..
"except:" (catch-all), where the except block does nothing.

Option 2: Just close the issue. No comments on this issue in 15 years.

Received on 2019-10-20 06:56:13 CEST

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