Recent Content by MxToolBox

  1. MxToolBox
    Post

    rDNS error - mail.subdomain.domain.tld

    Thanks for using our SMTP Diagnostic Tools...it does sound like the DNS wasn't quite updated, keep in mind that DNS changes can take 24-48 hours....
    Post by: MxToolBox, Nov 16, 2011 in forum: Installation/Configuration
  2. MxToolBox
    Post

    Undelivered Mail Returned to Sender

    Dealing with Blacklists can be very frustrating, but that is where we can help! If you are having problems sending to major ISPs, we would...
    Post by: MxToolBox, Jun 4, 2010 in forum: Server Operation
  3. MxToolBox
    Post

    Postfix - SPAM problem

    Thank you for using our Blacklist Tool! Once you run a lookup, you can follow the links to the Blacklist websites (via the "details" link or the...
    Post by: MxToolBox, Apr 6, 2010 in forum: Server Operation
  4. MxToolBox
    Post

    Can't send without relayhost?

    Can you please send a test email to our Hotmail testing account at [email protected]? If your receive a bounce can you forward the whole...
    Post by: MxToolBox, Feb 16, 2010 in forum: Server Operation
  5. MxToolBox
    Post

    Can't send without relayhost?

    Are you still having this issue? Can you post the full bounce back that you are receiving? Thank you, @MxToolBox
    Post by: MxToolBox, Feb 16, 2010 in forum: Server Operation
  6. MxToolBox
    Post

    Postfix not receiving mail.

    I am not sure if this problem is resolved or not, I did an SMTP Diagnostic on your IP and I sent a manual test by Telnet and everything looks to...
    Post by: MxToolBox, Feb 5, 2010 in forum: Server Operation
  7. MxToolBox
    Post

    Can't send without relayhost?

    I did a quick SMTP Diagnostic on your IP and I do see that you are receiving one warning about your rDNS. This might not be the cause of your mail...
    Post by: MxToolBox, Feb 5, 2010 in forum: Server Operation
  8. MxToolBox
    Post

    Amavis blocking some outgoing mails

    Thanks so much for recommending our DNS tools! Have you tried our Free Monitoring Tool? It will send you an alert if your server is Blacklisted....
    Post by: MxToolBox, Jan 13, 2010 in forum: Server Operation
  9. MxToolBox
    Post

    E-mail server receive and send spams

    Our guess from the information here is that most likely you have had a client's account compromised by a weak password. The other possibility is...
    Post by: MxToolBox, Nov 20, 2009 in forum: Installation/Configuration
  10. MxToolBox
    Post

    [debian 5 + ispconfig 3] Unable to send mail

    Blacklist Problems Sorry to hear that you are having blacklist troubles. You can follow the links to the Blacklist websites (via the "details"...
    Post by: MxToolBox, Nov 4, 2009 in forum: HOWTO-Related Questions