Bug SMTP Error From SwiftMailer

There is a bug in this version
G

Ghan_04

Guest
We use Amazon SES for our mail sending service. Generally functions fine, but we get tons of errors every day in our error log of this form:

Swift_TransportException: Email to <some email> from <some email> failed: Expected response code 250 but got code "451", with message "451 4.4.2 Timeout waiting for data from client. "
src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php:459

Found this previous bug report that claimed this issue (among others) was...

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