Hello I’m trying to use PHPMailer to send emails via SMTP. So, on my

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Asked: May 20, 20262026-05-20T03:54:00+00:00 2026-05-20T03:54:00+00:00

Hello I’m trying to use PHPMailer to send emails via SMTP. So, on my

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Hello
I’m trying to use PHPMailer to send emails via SMTP. So, on my development server (WAMP on my computer), it works fine. The mail server I use is mail.jackbusch.net which is on the same shared host that I am going to upload the site to for production.

But when I DO upload the website, PHP mailer stops working and returns SMTP: Error: Could Not Authenticate (when I try to use localhost as the server) and SMTP Error: Could Not Connect (when I type in the full smtp server name–i.e. mail.jackbusch.net).

This seems odd to me since I have several WordPress installations that send email notifications just fine–and WP uses Phpmailer, correct?

I don’t even know where to begin on fixing this?

EDIT: Thanks for your suggestions–I ended up just using the PEAR Mail package and it works perfectly fine.

I used the second example shown here:
http://email.about.com/od/emailprogrammingtips/qt/PHP_Email_SMTP_Authentication.htm

I think one key difference is that before I was using Port 26, and the second time I was using the SSL port for my web host (a small orange). For whatever reason, it all worked out this time.