go-smtp
go-imap
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go-smtp
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SMTP protocol basics from scratch in Go: receiving email from Gmail
Somewhat related: https://maddy.email and the libraries it's built on such as go-smtp https://github.com/emersion/go-smtp
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Some amazing Golang email libraries
github.com/emersion/go-smtp
- Send SMTP mail
go-imap
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Mail has saved over a thousand draft emails to the wrong folder
The way I eventually solved it was to create a custom script in Go (using the emersion/go-imap library) that could interact with the IMAP server, retrieve all of the emails and then checking the headers and then moving them to the bin. Took about 60 seconds to process 44,000 emails and remove over 1,000 drafts that were in the wrong place.
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Bridge and Thunderbird Trash
They are going to replace go-imap with gluon. That's an effort which has been going on for quite a while.
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Proton Bridge: Message UIDs are not stable / possible data loss (deletion of wrong messages)
Yeah, this really need attention now. I'm spotting the go-imap (which seems to be the real culprit) replacement being worked on, which is great! But, u/ProtonMail and u/bartbutler, please push all you can internally.
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Our ProtonMail Adventure – A Five Act Drama
they seem to blame go-imap (https://github.com/emersion/go-imap). at a quick glance the library itself doesn't seem to have an open issue describing the problem.
curious if that author's (deprecated) protonmail bridge hydroxide (https://github.com/emersion/hydroxide) has the same problem.
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Some amazing Golang email libraries
github.com/emersion/go-imap
What are some alternatives?
maddy - ✉️ Composable all-in-one mail server.
MailHog - Web and API based SMTP testing
go-simple-mail - Golang package for send email. Support keep alive connection, TLS and SSL. Easy for bulk SMTP.
Gomail - The best way to send emails in Go.
popgun - POP3 server written in go
email - Robust and flexible email library for Go
qpsmtpd - qpsmtpd is a flexible smtpd daemon written in Perl
SendGrid - The Official Twilio SendGrid Golang API Library
go-mail - :incoming_envelope: Simple email interface across multiple service providers (ses, postmark, mandrill, smtp)
Trumail
bdsmail - brain dead simple mail
hermes - Golang package that generates clean, responsive HTML e-mails for sending transactional mail