mailgun/flanker

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Python email address and Mime parsing library

Stars: 1.6k
Forks: 213
Open beginner issues: 0
Indexed issues: 55

Dominant language: Python
License: Apache-2.0
Last GitHub push: Apr 8, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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55 open issues indexed

Please publish latest release (currently 0.9.16) to PyPI Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mailgun/flanker#274 · Opened Jul 28, 2026
Enhance encoding guessing rate and decoding email body parts Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#268 · Opened Oct 9, 2024
Dnsq: DeprecationWarning Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

mailgun/flanker#263 · Opened Oct 2, 2023
Redis driver: DeprecationWarning Open

Difficulty 1/5 Under an hour Newbie friendliness 65/100

mailgun/flanker#262 · Opened Oct 2, 2023
AttributeError: module 'collections' has no attribute 'MutableMapping' Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

mailgun/flanker#261 · Opened Aug 3, 2023
Mismatching version and tag versions Open

Difficulty 1/5 Under an hour Newbie friendliness 30/100

mailgun/flanker#251 · 1 comment · Opened Jun 8, 2021
Support Group syntax Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mailgun/flanker#249 · Opened Apr 6, 2021
Support nested comments Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mailgun/flanker#248 · Opened Apr 6, 2021
TypeError: cannot use a string pattern on a bytes-like object Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

mailgun/flanker#243 · 6 comments · 1 reaction · Opened Jun 15, 2020
Email body parser question Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mailgun/flanker#242 · Opened Apr 27, 2020
Documentation request: How to create a custom grammar Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#238 · Opened Jan 23, 2020
Logging warnings when first import Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

mailgun/flanker#231 · 7 comments · 5 reactions · Opened Aug 7, 2019
ImportError: No module named dnsq Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mailgun/flanker#230 · 2 comments · Opened Jul 17, 2019
Unable to extract few details Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#229 · Opened Jun 17, 2019
[Question] Is there a reason why regex is used instead of re? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

mailgun/flanker#228 · 1 comment · Opened Apr 2, 2019
Invalid email assumed to be valid AKA Why are untrimmed emails considered valid emails? Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

mailgun/flanker#225 · 1 reaction · Opened Feb 20, 2019
Many invalid characters are allowed in domain part of email addresses Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mailgun/flanker#223 · 1 reaction · Opened Feb 14, 2019
is_valid_email returns different values for same input Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mailgun/flanker#220 · 1 comment · Opened Dec 27, 2018
TypeError during email validation Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

mailgun/flanker#218 · 5 comments · Opened Nov 27, 2018
Disable generating the parser.out file in production Open

Difficulty 1/5 Under an hour Newbie friendliness 38/100

mailgun/flanker#208 · 1 comment · 4 reactions · Opened Oct 14, 2018
Crashes in parsetab due to ply race condition Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

mailgun/flanker#206 · 2 comments · 1 reaction · Opened Sep 21, 2018
Allow address.parse() to reject addresses with local hostnames Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mailgun/flanker#201 · 6 comments · Opened Jun 7, 2018
MimePart.to_string() can produce different output depending on MimePart.was_changed() Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

mailgun/flanker#194 · 6 comments · Opened May 14, 2018
parsing a list of addresses returns empty set if there is an invalid email Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mailgun/flanker#190 · 4 comments · Opened Apr 10, 2018
Detected file name contains same value twice. Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#180 · Opened Feb 4, 2018
Any one email contains non-ASCII characters return all emails are invalid even valid email present Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#176 · 4 comments · Opened Nov 21, 2017
validate_address can't handle display name Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

mailgun/flanker#175 · 1 comment · 1 reaction · Opened Nov 15, 2017
add capability to modify identity in dkim sign function Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#169 · Opened Jul 24, 2017
Noob Help with locating attachments Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mailgun/flanker#123 · Opened Nov 4, 2016
address.validate_list validates url as valid email address Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#121 · Opened Aug 18, 2016
Valid email also return as Invalid Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mailgun/flanker#120 · 1 comment · Opened Jul 26, 2016
Why the software history was not kept? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

mailgun/flanker#119 · 1 comment · Opened Jul 22, 2016
Unable to extract Sent emails Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mailgun/flanker#116 · 1 comment · Opened Jun 14, 2016
Installation Errors Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mailgun/flanker#113 · Opened May 11, 2016
International characters in email-addresses / diacritics Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

mailgun/flanker#110 · Opened Mar 17, 2016
ImportError: No module named addresslib Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mailgun/flanker#109 · 1 comment · Opened Mar 10, 2016
Failure to parse address field encoded in iso-8859-1 (?) encoding Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mailgun/flanker#108 · Opened Dec 9, 2015
Attachments from AppleMail client have no bodies Open

Difficulty 3/5 1-2 days Newbie friendliness 28/100

mailgun/flanker#104 · Opened Sep 9, 2015
Failed to correctly parse ISO-8859-15 encoded FROM header Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#100 · Opened Aug 19, 2015
ImportError: No module named setuptools Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

mailgun/flanker#93 · 2 comments · Opened Jun 5, 2015
i18n support for strip_replies on subject Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#82 · Opened Feb 6, 2015
Decode gb2312 Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#80 · Opened Jan 31, 2015
Equality with EmailAddress and String is broken Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

mailgun/flanker#78 · 1 comment · Opened Jan 23, 2015
Errors in encoding Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mailgun/flanker#75 · Opened Dec 5, 2014
Cache interface does not work with dict semantics Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

mailgun/flanker#69 · Opened Nov 10, 2014
Flanker barfs on malformed MIME parts Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

mailgun/flanker#64 · 1 comment · Opened Oct 7, 2014
Custom hotmail grammer for old hotmail address Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mailgun/flanker#60 · 1 comment · Opened Aug 20, 2014
Flanker Library Is Not Working Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mailgun/flanker#59 · 3 comments · Opened Aug 18, 2014
Mail Exchanger lookup returns incorrect grammar rules Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mailgun/flanker#58 · Opened Aug 14, 2014
Empty body part gets mingled with the next part Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 38/100

mailgun/flanker#47 · 1 comment · Opened Jul 10, 2014

mailgun/flanker

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