Add wordwrap to Mail Message body.

[delgor]

Description (*)

Add a word wrap to the Mail::Message::setBody() function to ensure the maximum line length of an e-mail as specified in http://www.rfc-editor.org/rfc/rfc5322.txt Section 2.1.1

Fixed Issues (if relevant)

1. Mail line length too long, breaks DKIM signature #24528: Mail line length too long, breaks DKIM signature

Manual testing scenarios (*)

1. Let Magento send any e-mail (Newsletter subscription, Customer registration, password recovery).

Questions or comments

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds are green)

[m2-assistant]

Hi @delgor. Thank you for your contribution
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[VladimirZaets]

Hi @delgor , please, sign CLA, otherwise, we can't process your pull request

[delgor]

I signed the CLA.

I see that the Database Compare build is failing - considering that my change is nowhere near the database, could this be an error in the check? What needs to be done here?

[gwharton]

Already fixed in 2.3-develop by changing encoding type to QUOTED PRINTABLE.

[gwharton]

Closing this PR as no longer required. Please reopen and comment if the solution already merged in 2.3-develop does not resolve your issue. #23649

[m2-assistant]

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