Owner

jstedfast

3 indexed repositories · View on GitHub

MailKit
A cross-platform .NET library for IMAP, POP3, and SMTP.

C# · 6861 stars
MimeKit
A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.

C# · 2002 stars
EmailValidation
A simple (but correct) .NET class for validating email addresses

C# · 296 stars

Beginner friendly Everything

Open All

Server issue compatibility: MailKit 4.16.0 connect imap.sohu.com:993 has exception for CAPABILITIES Open

server-bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

jstedfast/MailKit#2006 · 1 comment · Opened Jun 6, 2026
Code Sign release artifacts Open

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

jstedfast/EmailValidation#119 · 1 comment · Opened May 22, 2026
Add a MimeAnalyzer Open

enhancement

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

jstedfast/MimeKit#1216 · Opened Jan 18, 2026
DMARC validation and reporting Open

enhancement

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

jstedfast/MimeKit#1180 · 10 comments · Opened Aug 6, 2025
Make `IMailFolder.GetMessage()` return `IMimeMessage` Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 38/100

jstedfast/MailKit#1933 · 5 comments · 1 reaction · Opened Jul 20, 2025
AES-128 GCM (IETF RFC 5084) Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

jstedfast/MimeKit#1149 · 24 comments · 4 reactions · Opened Apr 1, 2025
Code Sign release artifacts Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

jstedfast/MailKit#1882 · 24 comments · Opened Feb 6, 2025
Question: Have you ever tried to decode the Thread-Index header field? Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

jstedfast/MimeKit#1103 · 12 comments · Opened Nov 22, 2024
MailboxAddress encoding with first or last word containing non-ascii char Open

3rd-party-client-bug compatibility

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

jstedfast/MimeKit#1093 · 3 comments · 2 reactions · Opened Nov 4, 2024
Implement the IMAP Response Code for Command Progress Notifications Open

enhancement

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

jstedfast/MailKit#1837 · 1 reaction · Opened Nov 2, 2024
Implement the IMAP Extension for Returning Mailbox METADATA in Extended LIST Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

jstedfast/MailKit#1835 · Opened Nov 2, 2024
SmtpClient Exception Behavior Change in 4.4.0 Open

enhancement

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

jstedfast/MailKit#1748 · 29 comments · Opened May 2, 2024
Allow overriding Default FormatOptions Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

jstedfast/MimeKit#993 · 6 comments · Opened Jan 19, 2024
Add support for JMAP Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

jstedfast/MailKit#1552 · 5 comments · 5 reactions · Opened Apr 17, 2023
Split MimeKit into MimeKit[.Core] and MimeKit.Cryptography Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

jstedfast/MimeKit#820 · 9 comments · 3 reactions · Opened Jul 15, 2022
To/From InternetAddresses are not being returned in case they only have a name Open

enhancement

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

jstedfast/MimeKit#712 · 8 comments · Opened Sep 15, 2021

jstedfast

Get new issues in your inbox