The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning. Learn more →
Top 15 smtp-client Open-Source Projects
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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go-simple-mail
Golang package for send email. Support keep alive connection, TLS and SSL. Easy for bulk SMTP.
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SharpGmailC2
Our Friendly Gmail will act as Server and implant will exfiltrate data via smtp and will read commands from C2 (Gmail) via imap protocol
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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MailKitSimplified
Send and receive emails easily, fluently, with one line of code for each operation.
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Simplify.DI
Simplify is an open-source set of lightweight .NET libraries that provide infrastructure for your applications. DI and mocking friendly. (by SimplifyNet)
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sql-clr-ics
Send Calendar Event / Appointment Invitations (iCal formatted file) from within SQL Server using a CLR stored procedure
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assumpta-core
A Haskell library for constructing SMTP clients, providing a monad transformer and mtl-style class for communicating with an SMTP server
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
Project mention: [Self Hosted] Selbst gehostete Mailserver: mailcow, mailinabox, mailU... hast du sie (eingehend) getestet? Ihre Meinung und Ratschläge hier, danke! | /r/aufdeutsch | 2023-04-27
Third, Send-MailMessage has been deprecated. Try MailKit instead. To be honest, though, I'm yet to find time and test it myself.
Project mention: Outlook/Hotmail is no longer blocking my mail server | news.ycombinator.com | 2023-12-28I run a small transactional email provider (https://mailpace.com), our IPs are very rarely added to blocklists- but we are very strict on what we allow through our service, and surprisingly we’ve had no long term delivery issues with any of the big providers.
So thanks to the federated/decentralized design of email, is totally possible to be part of the network without any special privileges.
We are sending millions of emails every day though, which is quite different to sending a couple hundred personal emails a week. If you’re running this on a cloud host, expect to be blocked by default. However if you can find a small vps provider you’ll have better luck on sending yourself.
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
smtp-client related posts
- Outlook/Hotmail is no longer blocking my mail server
- MailPace – Fast and Reliable Transactional Email
- Email: Explained from First Principles
- Mail relay as a service? Moving away from selfhosted postfix 😔
- In Search of Organic Software
- Postmark acquired by marketing firm ActiveCampaign
- Best server for email?
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A note from our sponsor - WorkOS
workos.com | 26 Apr 2024
Index
What are some of the best open-source smtp-client projects? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | Mailpile | 8,778 |
| 2 | MailKit | 5,934 |
| 3 | Simple Java Mail | 1,178 |
| 4 | go-simple-mail | 597 |
| 5 | notqmail | 300 |
| 6 | SharpGmailC2 | 252 |
| 7 | smtp-client | 92 |
| 8 | MailKitSimplified | 50 |
| 9 | pencil | 46 |
| 10 | mailpace-rails | 35 |
| 11 | Simplify.DI | 18 |
| 12 | sql-clr-ics | 8 |
| 13 | GrimeyPhisher | 5 |
| 14 | assumpta | 0 |
| 15 | assumpta-core | 0 |
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