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Bug#486797: qa.debian.org: email addresses are case-insensitive

Christoph Martin wrote:
If a maintainer has some packages with his email address in different
case in the maintainer field they end up on different pages on
qa.debian.org. See for example:
Ony should get the same page independent of the case of the maintainer

Probably this is also the case for submitter emails.

Technically, e-mail addresses (well, local parts) /aren't/ case insensitive; RFC2821 section 2.4 says (in part):

The local-part of a mailbox
  MUST BE treated as case sensitive.  Therefore, SMTP implementations
  MUST take care to preserve the case of mailbox local-parts.  Mailbox
  domains are not case sensitive.  In particular, for some hosts the
  user "smith" is different from the user "Smith".  However, exploiting
  the case sensitivity of mailbox local-parts impedes interoperability
  and is discouraged.

i.e. it's unlikely to happen that FOO@example.com and Foo@example.com are different mailboxes but it's permitted.


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