Swift Mailer Module & Gmail SMTP

[michatmaster7]

Is your PHP version still 5.3.19? I'd find it interesting to know that SwiftMailer is working for you on 5.3.19 and not for me on 5.3.22.

Post #17.
Its been 2 weeks since the failure.

Done changing the permission to directories and files to 755 (probably increased the vulnerabilities to abuse). Nothing.
Done discussions, lots of email with webhost, ie insisting that everything works fine and well on their side.

Last attempt (host admin's suggestion), create new Gmail account and reflect the new account in Swift Mailer module setup. Suddenly it simply works.

Don't know what happened. Satisfying my curiosity, change back to the old Gmail account and Swift Mailer also works.

Conclusion (IMO & my unique case),
Error got nothing to do with Swift Mailer codes.
Also nothing to do with my Gmail account
Most probably, the hosting and setting changes made by my host's admins (not admitting to it! they did email me to retry using new Gmail account and I did + works. Old account also works). I'm positive they did something!.

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I have just tested SwiftMailer with smtp.com (I forgot I had an account I could use for testing. I got the same errors. So it's not just Gmail in this case, the problem is simply that I can't use any external smtp configurations. It works when using local smtp settings (ie: using an e-mail address located on the local server), but that isn't what I need to do...