fix(deps): update dependency nodemailer to v6 [security]

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This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
nodemailer (source)	4.6.7 -> 6.4.16

GitHub Vulnerability Alerts

CVE-2020-7769

This affects the package nodemailer before 6.4.16. Use of crafted recipient email addresses may result in arbitrary command flag injection in sendmail transport for sending mails.

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Release Notes

nodemailer/nodemailer

v6.4.16

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• Applied updated prettier formating rules

v6.4.15

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• Minor changes in header key casing

v6.4.14

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• Disabled postinstall script

v6.4.13

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• Fix normalizeHeaderKey method for single node messages

v6.4.12

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• Better handling of attachment filenames that include quote symbols
• Includes all information from the oath2 error response in the error message (Normal Gaussian) [1787f22]

v6.4.11

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• Fixed escape sequence handling in address parsing

v6.4.10

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• Fixed RFC822 output for MailComposer when using invalid content-type value. Mostly relevant if message attachments have stragne content-type values set.

v6.4.8

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v6.4.7

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• Always set charset=utf-8 for Content-Type headers
• Catch error when using invalid crypto.sign input

v6.4.6

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• fix: requeueAttempts=n should requeue n times (Patrick Malouin) [a27ed2f]

v6.4.5

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v6.4.4

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• Add options.forceAuth for SMTP (Patrick Malouin) [a27ed2f]

v6.4.3

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• Added an option to specify max number of requeues when connection closes unexpectedly (Igor Sechyn) [8a927f5]

v6.4.2

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• Fixed bug where array item was used with a potentially empty array

v6.4.1

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• Updated README

v6.4.0

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• Do not use auth if server does not advertise AUTH support [f419b09]
• add dns.CONNREFUSED (Hiroyuki Okada) [5c4c8ca]

v6.3.1

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• Ignore "end" events because it might be "error" after it (dex4er) [72bade9]
• Set username and password on the connection proxy object correctly (UsamaAshraf) [250b1a8]
• Support more DNS errors (madarche) [2391aa4]

v6.3.0

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• Added new option to pass a set of httpHeaders to be sent when fetching attachments. See PR #​1034

v6.2.1

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• No changes. It is the same as 6.2.0 that was accidentally published as 6.2.1 to npm

v6.1.1

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• Fixed regression bug with missing smtp authMethod property

v6.1.0

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• Added new message property amp for providing AMP4EMAIL content

v6.0.0

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• SMTPConnection: use removeListener instead of removeAllListeners (xr0master) [ddc4af1]
  Using removeListener should fix memory leak with Node.js streams

v5.1.1

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• Added missing option argument for custom auth

v5.1.0

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• Official support for custom authentication methods and examples (examples/custom-auth-async.js and examples/custom-auth-cb.js)

v5.0.1

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• Fixed regression error to support Node versions lower than 6.11
• Added expiremental custom authentication support

v5.0.0

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• Start using dns.resolve() instead of dns.lookup() for resolving SMTP hostnames. Might be breaking change on some environments so upgrade with care
• Show more logs for renewing OAuth2 tokens, previously it was not possible to see what actually failed

v4.7.0

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• Cleaned up List-* header generation
• Fixed 'full' return option for DSN (klaronix) [23b93a3]
• Support promises for mailcomposer.build()

v4.6.8

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• Use first IP address from DNS resolution when using a proxy (Limbozz) [d4ca847]
• Return raw email from SES transport (gabegorelick) [3aa0896]

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