Bump github.com/wneessen/go-mail from 0.4.2 to 0.7.0

[dependabot]

Bumps github.com/wneessen/go-mail from 0.4.2 to 0.7.0.

Release notes

Sourced from github.com/wneessen/go-mail's releases.

v0.6.2: Bugfix release

Welcome to go-mail v0.6.2! This release fixes some bugs and makes go-mail ready for Go 1.24.

Fix regression of custom SMTP authentication handling

PR #429 fixes a regression in the handling of custom smtp.Auth methods that was introduced with the v0.6.0 release. Basically, if a custom SMTP auth method was provided, it was simply ignored. Thanks to @​james-d-elliott of the Authelia project for reporting this.

Fix possible nil pointer derefernece in SendWithSMTPClient

With commit wneessen/go-mail@4641da4 we fixed a possible nil pointer dereference in the SendWithSMTPClient method. This would happen if a nil message would be provided to the method. This bug was reported using Github's private vulnerability reporting feature by @​younes199511. Thanks for the report!

Header count logic improvements

PR #421 fixed an issue in the header count logic that is used for S/MIME signing. If a header was broken into mutliple lines due to its lenght, the count logic was giving false results, resulting into false content for the S/MIME signature. Thanks to @​theexiile1305 for reporting the issue and helping to debug the issue!

Go 1.24 readiness

The PRs #431 and #433 make go-mail and its CI ready for Go 1.24.

What's Changed

• Refactor header count logic for accurate line tracking by @​wneessen in wneessen/go-mail#421
• chore: improve tests for multipart messages by @​wneessen in wneessen/go-mail#422
• Add tests for handling nil messages in email client by @​wneessen in wneessen/go-mail#427
• Fix regression of custom smtp.Auth not working by @​wneessen in wneessen/go-mail#429
• Skip tests for broken rand.Reader on Go 1.24+. by @​wneessen in wneessen/go-mail#433
• chore: update CI to Go 1.24 by @​wneessen in wneessen/go-mail#431
• Update version to 0.6.2 and fix typo in documentation by @​wneessen in wneessen/go-mail#434

CI/CD maintenance changes

• Bump golang.org/x/text from 0.21.0 to 0.22.0 by @​dependabot in wneessen/go-mail#425
• Bump golang.org/x/crypto from 0.32.0 to 0.33.0 by @​dependabot in wneessen/go-mail#426

Full Changelog: wneessen/go-mail@v0.6.1...v0.6.2

v0.6.1: Fix for multipart message rendering

Welcome to go-mail v0.6.1! This release is a bug-fix release that addresses a regression introduced in v0.6.0.

[!IMPORTANT]
If you are working with multipart messages and are currently using v0.6.0, it is advised to upgrade to v0.6.1 to avoid rendering issues.

Fix missing new-lines in multipart rendering

The v0.6.0 release introduced a regression in the multipart message generation (See #412). The boundary lines were not correctly seperated with a new line. This bug was introduced while working on the S/MIME handling. The issue has been fixed in #413. I am sorry for any inconveniences this might have caused. Thanks to @​Thomas2500 for reporting the issue!

Multipart boundary handling refactoring

While working on #412, I noticed a general issue with the boundary handling when fixed boundaries are set for the message. This bug was present already since the introduction of Msg.WithBoundary/Msg.SetBoundary, but was only brought to light with the new S/MIME feature introduced in v0.6.0. Since the S/MIME signing needs to set a fixed boundary, it was using the Msg.SetBoundary feature. If more than one multipart parts were used with a fixed boundary, this would render the mail broken (since it was using the same boundary for multiple parts). This has been fixed in #414 and #416. The GoDoc for Msg.WithBoundary/Msg.SetBoundary has also been updated with a warning that using the feature with more than one parts will break the message rendering.

Removal of XOAUTH2 from Auto-Discovery feature

Since XOAUTH2 works with Bearer tokens instead of passwords but the Auto-Discovery SMTP auth feature makes use of a username/password pair having XOAUTH2 in the prefered mechanisms list could cause authentication failures. Therefore the XOAUTH2 mechanism has been removed from the feature completely. Thanks to @​james-d-elliott for pointing this out!

What's Changed

• Fix regression in multipart boundary writing by @​wneessen in wneessen/go-mail#413
• Refactor multipart boundary handling in message rendering by @​wneessen in wneessen/go-mail#416
• Remove XOAUTH2 from Auto-Discovery SMTP auth feature by @​wneessen in wneessen/go-mail#417
• chore: prepare 061 release by @​wneessen in wneessen/go-mail#418

... (truncated)

Commits

• ac1eb03 Merge pull request #494 from wneessen/switch-pbkdf2-to-stdlib
• 0508d94 Removed internal PBKDF2 implementation and replaced with Go's standard library
• 6f99425 Merge pull request #493 from wneessen/v070-prep
• 0d5bb15 Updated CI workflow to adjust Go version matrix
• a771635 Removed sonar-project.properties file
• 30b0918 Updated documentation for ErrorHandlerRegistry in SMTP client
• 7adc505 Updated SMTP Client documentation for authentication methods
• a6112e0 Bumped package version to 0.7.0
• a63ca7e Updated README with SMTP error registry feature
• 30c81d5 Updated Go version support policy in README
• Additional commits viewable in compare view

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Superseded by #54.