mailgun / mailgun/flanker

Addresses with apostrophes are rejected as invalid

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Dominant language
Python
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Description

See the following issue on the validator-demo repo: https://github.com/mailgun/validator-demo/issues/5

The basic issue is that MS Exchange allows apostrophes, so the validator should as well even though RFC grammar does not.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the linked validator-demo issue and tracing the email-address validation entry point in flanker. Check existing validation tests, if present, for quoted or special-character addresses. Done means addresses containing apostrophes are accepted while other invalid addresses remain rejected.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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