SOLVED: fetchmail – Server certificate verification error

Posted in Networking on May 26st, 2008 | (7) Comments

I am using fetchmail to download emails from Yahoo Small Business mail server. I got the following error in the log file.

May 26 14:55:07 office fetchmail[7593]: Server certificate verification error: unable to get local issuer certificate
May 26 14:55:07 office fetchmail[7593]: Server certificate verification error: certificate not trusted
May 26 14:55:07 office fetchmail[7593]: Server certificate verification error: unable to verify the first certificate
May 26 14:55:09 office fetchmail[7593]: sleeping at Mon 26 May 2008 02:55:09 PM WIT for 300 seconds

The solution can be achieved by updating the CA-Certificate.

In Ubuntu-Server, I just need to do apt-get:

apt-get install ca-certificates

I am still have a problem on downloading read email from Yahoo Small Business. If the email is already read from the webmail (even it is not already downloaded by fetchmail), it will be no longer downloaded by fetchmail.

Fetchmail downloads undownloaded email (which is what I expect) from other mail servers other than Yahoo.

Anyone?

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Comments:

7 Responses to “SOLVED: fetchmail – Server certificate verification error”


  1. man fetchmail and look for the -a option. With it you should be able to retrieve all mail, seen and unseen.


  2. @Thaddeus
    Yes, you are right. It will download all mail. But what I want is to retrieve any email that not yet downloaded.


  3. i also have this problem. I think that this is a restriction (bug) of yahoo.
    What works is to mark all read mails as unread until the mail you want to fetch. This works fine for me but only for the last 20 Mails (i think).
    Maybe take a local mailserver that deletes duplicate mails.


  4. My friend on Facebook shared this link and I’m not dissapointed at all that I came here.


  5. please use the -uidl options, it create unique ID in localbox


  6. Your blog has some great information for small businesses. Thanks for taking the time to share your knowledge!


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