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imap_open: Certificate Error, but only in PHP [message #179813]

Sat, 08 December 2012 13:01

Florian Zeisel
Messages: 3
Registered: December 2012

Karma:

Junior Member

Hi everyone,

this week, one of my php scripts suddenly stopped working. I received the following errors:
It started with: "unable to locate common name", then after a while it was "invalid remote specification".

The code is:
$srv = '{mail.twooit.com:993/imap/ssl/}';
$conn = imap_open($srv, $mailuser, $mailpass) or die("can't connect: " . imap_last_error());

It seems the provider installed a new certificate. Openssl on the terminal results in:
depth=1 /C=GB/ST=Greater Manchester/L=Salford/O=COMODO CA Limited/CN=PositiveSSL CA 2
verify error:num=20:unable to get local issuer certificate
verify return:0

After some research, I was able to make it work by adding the "novalidate-cert" option. However, this means that the script does not authenticate the server anymore, which cannot be the solution! At least: Is it correct to assume that passwords and mails are still transferred encrypted? It might not be that much of a problem, because the script is also executed at that provider (different IP address though), and man-in-the-middle risk is therefore low..

HOWEVER, my Thunderbird email client and also smartphone are still connecting without any certificate errors and ssl-check websites say, that the certificate is ok...

Can anyone help me to fix this, please?

Thank you very much,
Florian

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[Message index]

		imap_open: Certificate Error, but only in PHP By: Florian Zeisel on Sat, 08 December 2012 13:01
		Re: imap_open: Certificate Error, but only in PHP By: J.O. Aho on Sat, 08 December 2012 15:54
		Re: imap_open: Certificate Error, but only in PHP By: Florian Zeisel on Sat, 08 December 2012 20:30
		Re: imap_open: Certificate Error, but only in PHP By: M. Strobel on Sat, 08 December 2012 16:10
		Re: imap_open: Certificate Error, but only in PHP By: Florian Zeisel on Sat, 08 December 2012 20:33
		Re: imap_open: Certificate Error, but only in PHP By: Jerry Stuckle on Sun, 09 December 2012 00:19
		Re: imap_open: Certificate Error, but only in PHP By: M. Strobel on Sun, 09 December 2012 12:15

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