Verify Certificate Mail blocked

After opening mail verify certificate popped up and will not allow me to connect, cancel, shut down, or restart my macbook air. 
Both the connect and cancel buttons are grey and not letting me click them. Also even when I try to close the window or quit mail it will say that I can't.

Then no window accepts any clicks, so restart is not possible any more. I have to press the kill-button an the back. Not good at all.

Similar Messages

  • Verify Certificate - Mail

    Hello,
    I have came across the problem of Verify Certificate that started just after renewign the old one.
    To fix this on the users side and only if you are sure the server that writen is yours or you trust it just follow those stepps:
    Click  - GO - Utilities - Keychain Access.
    Under the Category Click on Certificates and on your right click Get info on the one you face problems with.
    Click on the arrow near the Trust and then choose on the "When using this certificate:" scrool down Always Trust.
    Then just restart Mail and give it a min to resync.
    I hope it helps.
    Alon.

    Then no window accepts any clicks, so restart is not possible any more. I have to press the kill-button an the back. Not good at all.

  • Verify Certificate when opening Mail

    Hi,
    I hope someone can help. Every time I open up Mail,on my iMac, I get a "Verify Certificate" dialogue box. With the following message;
    "Mail can't verify the identity of mail.me.com.
    The certificate for this server is invalid.You might be connecting to a server that is pretending to be"mail.me.com" which could put your confidential information at risk. Do you want to connect to the server anyway?
    I click connect and the mail works fine. However, the message reappears every time on opening mail.
    I have tried the following,
    1. I have opened the certificate and clicked on the "Always trust "mail.me.com" when connecting to "mail.me.com"" but this will be not ticked the next time I open Mail.
    2. I have deleted then reopened the account.
    3. I have deleted the ByHost file in User/library/preferences.
    4. I have used the Keychain access and selected always trust for the certificate. It will not stay selected.
    Is there any way I can get rid of this message. It does not occur when opening the account from my MBP.
    Thanks

    Greetings,
    If you have the same account(s) setup on your Macbook Pro and it works fine there, I'd say your Mail preferences file is corrupt. So, if you make a copy of the com.apple.mail.plist file on your Macbook Pro and move it to Home/Library/Preferences on the problem Mac (which will overwrite the current file), then restart Mail, it should work fine again.

  • Constant Verify Certificate Message in Mail

    Hi Forum,
    in mail on my Mac Mini i get a constant message of:
    Verify Certificate
    The Identity of "Server" cvannot be verified.
    the server it mentions is an old email i used to use but now dont. Its been deleted from my accounts and doesntr exist. I cant find anywhere in this or internet accounts that makes reference to this server?!?!?! How can i find it. Its constant. I cancel the message and it reappears.

    First, and most important, never change the trust settings of any SSL certificate unless you created it yourself. That's one of the most dangerous things you can do with a computer.
    Back up all data, then take each of the following steps that you haven't already taken. Stop when the problem is resolved.
    Step 1
    From the menu bar, select
     ▹ System Preferences... ▹ Date & Time
    Select the Time Zone tab in the preference pane that opens and check that the time zone matches your location. Then select the Date & Time tab. Check that the data and time shown (including the year) are correct, and correct them if not.
    Check the box marked
    Set date and time automatically
    if it's not already checked, and select one of the Apple time servers from the menu next to it.
    Step 2
    Triple-click anywhere in the line below on this page to select it:
    /System/Library/Keychains/SystemCACertificates.keychain
    Right-click or control-click the highlighted line and select
    Services ▹ Show Info
    from the contextual menu.* An Info dialog should open. The dialog should show "You can only read" in the Sharing & Permissions section.
    Repeat with this line:
    /System/Library/Keychains/SystemRootCertificates.keychain
    If instead of the Info dialog, you get a message that either file can't be found, reinstall OS X.
    *If you don't see the contextual menu item, copy the selected text to the Clipboard (command-C). Open a TextEdit window and paste into it (command-V). Select the line you just pasted and continue as above.
    Step 3
    Launch the Keychain Access application in any of the following ways:
    ☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
    ☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
    ☞ Open LaunchPad. Click Utilities, then Keychain Access in the icon grid.
    In the upper left corner of the window, you should see a list headed Keychains. If not, click the button in the lower left corner that looks like a triangle inside a square.
    In the Keychains list, there should be items named System and System Roots. If not, select
    File ▹ Add Keychain
    from the menu bar and add the following items:
    /Library/Keychains/System.keychain
    /System/Library/Keychains/SystemRootCertificates.keychain
    From the Category list in the lower left corner of the window, select Certificates. Look carefully at the list of certificates in the right side of the window. If any of them has a a blue-and-white plus sign or a red "X" in the icon, double-click it. An inspection window will open. Click the disclosure triangle labeled Trust to disclose the trust settings for the certificate. From the menu at the top, select
    When using this certificate: Use System Defaults
    Close the inspection window. You'll be prompted for your administrator password to update the settings. Revert all the certificates with non-default trust settings. Never again change any of those settings.
    Step 4
    Select My Certificates from the Category list. From the list of certificates shown, delete any that are marked with a red X as expired or invalid.
    Export all remaining certificates, delete them from the keychain, and reimport. For instructions, select
    Help ▹ Keychain Access Help
    from the menu bar and search for the term "export" in the help window. Export each certificate as an individual file; don't combine them into one big file.
    Step 5
    From the menu bar, select
    Keychain Access ▹ Preferences ▹ Certificates
    There are three menus in the window. Change the selection in the top two to Best attempt, and in the bottom one to  CRL.
    Step 6
    Triple-click anywhere in the line of text below on this page to select it:
    /var/db/crls
    Copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select
    Go ▹ Go to Folder...
    from the menu bar and paste into the box that opens (command-V). You won't see what you pasted because a line break is included. Press return.
    A folder named "crls" should open. Move all the files in that folder to the Trash. You’ll be prompted for your administrator login password.
    Step 7
    Reboot, empty the Trash, and test.

  • Exchange mail setup - unable to verify certificate

    When i set up my exchange mail account, just after i enter the exchange server details, i get a message saying "unable to verify certificate" and the option to "accept", which i did.
    Thereafter i get the error message "failed account verification"
    Does anyone know what the issue / workaround here is?

    OK, here is my information from Outlook OMA.
    =============================================
    Outlook(R) Mobile Access
    Copyright (C) 2001-2003, Microsoft Corp. All rights reserved.
    Ok
    Outlook(R) Mobile Access Server: EDCOWA02
    Outlook(R) Mobile Access Server, Microsoft(R) Exchange: 6.5.7226.0
    Outlook(R) Mobile Access Server, Microsoft(R) Windows: 5.2.3790.0
    Outlook(R) Mobile Access Server, Microsoft(R) .Net Framework: 1.1.4322.2407
    Mailbox Server: EDCEXC01
    Mailbox Server, Microsoft(R) Exchange: 6.5.7226
    User Mailbox: Luis.Cavada
    Rendering Format: html32
    User Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648)
    ========================================================
    Can someone help me in figuring out what is the user name and exchage server which i need to setup in my iphone 3G Exchnage settings.
    I have tried everything I cound think of, but no luck !
    Thanks,

  • Mail cannot verify my mail server's root certificate

    When I try to send an email, I get a warning message saying that mail cannot verify my mail servers root certificate. I have tested the certificate and it had a blue boarder not a gold one, I can't remember what this means but I think its not recognised. This has only just started happening.
    Apparently the root server is VeriSign Class 3 Extended Validation
    Mail was unable to verify the identity of this server, which has a certificate issued to "smtp.mac.com". The error was:
    The root certificate for this server could not be verified.
    You might be connecting to a computer that is pretending to be "smtp.mac.com", and putting your confidential information at risk. Would you like to continue anyway?

    This is the OS X Server forum.... You probably want to post in:
    http://discussions.apple.com/forum.jspa?forumID=1223
    Jeff

  • Safari is unable to verify certificate.

    Safari is unable to verify certificate. Can someone pls advise how to fix this issue? Im getting an error while trying to access adcbactive.com/Login page.
    Many Thanks
    Aby

    abytoaby,
    When I attempt to access adcbactive.com I'm getting a "Phishing" warning through the Open Dns servers that I'm using.  In fact, Open Dns is blocking me from loading that site.  Be careful...

  • Can't verify certificate

    I've just changed email provider and I'm starting to get the mail can't verify certificate message every time I open up Mail. I remember I had this before but can't for the life of me remember what I did to finally resolve the issue! I've checked the "always trust" checkbox but the certificate message still appears. Please help!

    I'm having the same problem, and checking and unchecking the "Always trust..." box. I've even tried closing mail and reopening it. I've tried sending an email from the account to my gmail account, confirming the email has been received, and then closing and reopening Mail. Still I get the "Mail can't verify" message.
    I'm NOT using SSL for my mail. HOWEVER, since I have a hosting account, and since my email on that account is IMAP, and since there's special group of emails that I want to access on my cell and laptop too, I created another email address and am making sure that these particular emails are going there.
    That means that two email accounts are going to the same mailserver address - mail.[mydomainname].com. The MTP is the same for incoming and outgoing.
    I've repaired permissions. I've even attempted to throw away my plist, but that will be a nightmare of epic proportions, since getting rid of the plist means that all my accounts and mailboxes are gone and I'd have to recreate everything.
    This is a fairly new issue.
    Can anyone help Alan and me?

  • Provide steps to send Root CA certificate to the Lync client, getting error" There was a problem verifying certificate from the server"

    Hi,
      I Build an Lync 2013 set up with FEpool, Director pool and Exchange server is integrated. I have windows 8 client machine, with Lync client installed. When I try to login to the lync client, I am getting error like"There was a problem verifying
    certificate from the server".
    When I installed ROOT CA cert  manually on client machine I am able to login to the lync client. similarly if I add my client machine in my domain, I am able to login to the Lync client.
    Now is there any other way to send the certificate automatically to the client machine (Which are NOT part of the DOMAIN) from the server, instead of manual installation process.
    Please help me troubleshoot this problem

    Agree with S Guna, there is no easy way to push a certificate automatically to a client that you don't control other than building an installer package and asking them to run it.  In this situation, if there are a lot of non-domain joined machines
    a third party certificate is the way you need to go.
    Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question please click "Mark As Answer".
    SWC Unified Communications

  • Verify certificate using Bouncycastle (J2ME)

    Good evening. I have a problem.. I'm trying to verify certificate but signatures doesn't match!!!
    byte[] cert_decoded = Base64.decode(pem_cert);
    ASN1InputStream ais = new ASN1InputStream(cert_decoded);
    DERObject obj = ais.readObject();
    ASN1Sequence seq = (ASN1Sequence)obj;
    ais.close();
    X509CertificateStructure cert = new X509CertificateStructure(seq);
    // getting certificate signature
    byte[] signature = cert.getSignature().getBytes();
    // trying to get "to be signed" structure
    TBSCertificateStructure tbs = cert.getTBSCertificate();
    // is it correct? trying to get bytes array of TBS..
    byte[] tbs_byte = tbs.getEncoded();
    RSAEngine engine = new RSAEngine();
    // Is it correct? Cert uses "RSAwithSHA1"..
    SHA1Digest digest = new SHA1Digest();
    // Public key i'v got before from signing CA cert...
    PSSSigner signer = new PSSSigner(engine, digest, 0);
    signer.init(false, pub);
    signer.update(tbs_byte, 0, tbs_byte.length);
    boolean istrue = signer.verifySignature(signature);
    In all cases i'm getting FALSE 8( what's wrong, please help! 8(
    I tried to sign TBS data using CA's private key but signatures doesn't match anyway...

    I found example code here: http://www-128.ibm.com/developerworks/library/j-midpds.html
    Below is that code pieced together with some minor fixes (seems they
    had outdated calls to verifySignature() and generateSignature()).
    This program runs and returns true for me. Maybe this can
    help you figure out what's going on with your code...
    import java.math.BigInteger;
    import java.security.SecureRandom;
    import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
    import org.bouncycastle.crypto.digests.SHA1Digest;
    import org.bouncycastle.crypto.engines.RSAEngine;
    import org.bouncycastle.crypto.generators.RSAKeyPairGenerator;
    import org.bouncycastle.crypto.params.RSAKeyGenerationParameters;
    import org.bouncycastle.crypto.params.RSAKeyParameters;
    import org.bouncycastle.crypto.params.RSAPrivateCrtKeyParameters;
    import org.bouncycastle.crypto.signers.PSSSigner;
    import org.bouncycastle.util.encoders.Base64;
    public class RSASigBCLW {
        private static BigInteger pubExp = new BigInteger("11", 16);
        private static RSAPrivateCrtKeyParameters privKey;
        private static RSAKeyParameters pubKey;
        public static void main(String[] args) {
            try {
                _main(args);
            } catch (Exception e) {
                System.out.println("ERROR: " + e.getMessage());
         * @param args
        public static void _main(String[] args) throws Exception {
            SecureRandom sr = new SecureRandom();
            RSAKeyGenerationParameters RSAKeyGenPara = new RSAKeyGenerationParameters(
                    pubExp, sr, 1024, 80);
            RSAKeyPairGenerator RSAKeyPairGen = new RSAKeyPairGenerator();
            RSAKeyPairGen.init(RSAKeyGenPara);
            AsymmetricCipherKeyPair keyPair = RSAKeyPairGen.generateKeyPair();
            privKey = (RSAPrivateCrtKeyParameters) keyPair.getPrivate();
            pubKey = (RSAKeyParameters) keyPair.getPublic();
            String message = "this is a test message.";
            String signature = getSignature(message);
            boolean b = verify(message, signature, getMod(), getPubExp());
            System.out.println("verify? =" + b);
        // Public key specific parameter.
        public static String getMod() throws Exception {
            return (new String(Base64.encode(pubKey.getModulus().toByteArray())));
        // General key parameter. pubExp is the same as pubKey.getExponent()
        public static String getPubExp() throws Exception {
            return (new String(Base64.encode(pubExp.toByteArray())));
        static public String getSignature(String mesg) throws Exception {
            SHA1Digest digEng = new SHA1Digest();
            RSAEngine rsaEng = new RSAEngine();
            PSSSigner signer = new PSSSigner(rsaEng, digEng, 64);
            signer.init(true, privKey);
            byte[] mbytes = mesg.getBytes();
            signer.update(mbytes, 0, mbytes.length);
            byte[] sig = signer.generateSignature();
            String result = new String(Base64.encode(sig));
            return result;
        static public boolean verify(String mesg, String signature, String mod, String pubExp) {
            BigInteger modulus = new BigInteger(Base64.decode(mod));
            BigInteger exponent = new BigInteger(Base64.decode(pubExp));
            SHA1Digest digEng = new SHA1Digest();
            RSAEngine rsaEng = new RSAEngine();
            RSAKeyParameters pubKey = new RSAKeyParameters(false, modulus, exponent);
            PSSSigner signer = new PSSSigner(rsaEng, digEng, 64);
            signer.init(false, pubKey);
            byte[] mbytes = mesg.getBytes();
            signer.update(mbytes, 0, mbytes.length);
            boolean res = signer.verifySignature(Base64.decode(signature));
            return res;
    }

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  • Unable to verify e-mail address for logging to iCloud

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    If you are using Firefox to access your mail, you are using "web-mail". You need to seek support from your service provider or a forum for that service.
    If your problem is with Mozilla Thunderbird, see this forum for support.
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  • Owsm policy step verify certificate

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  • Im trying to add an account to an iPad so that my messages send to my phone and not my brier e-mail that's already registered on the iPad. However when I enter a ne e-mail it's just saying "cannot be verified, e-mails already in  use??

    Im trying to add an account to an iPad so that my messages send to my phone and not my brothersr e-mail that's already registered on the iPad. However when I enter my e-mail it's just saying "cannot be verified, e-mails already in  use??

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    This error message means that your email address is already associated with another Apple ID. It could be tied to GameCenter, iTunes Store, or another Apple ID. Try using your Apple ID for those services to log in to FaceTime on your device.
    If you wish to use a separate Apple ID for FaceTime, unlink the email address from any other Apple ID before trying to set it up as a separate Apple ID for FaceTime.
    If you would like to change your Apple ID to another email address, go to My Apple ID and follow the instructions in this article to change your Apple ID.

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