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  1. #1

    ATT Block 553 error on phplist emails

    Hi

    We have several clients who use phplist for their opt-in lists. ATT and a few others are blocking emails. The main reason is because the email from the list ([email protected]) originates from comcast.net. ATT and others appear to block based upon that discrepancy.

    Questions for anyone who works with phplist:

    1) If the client simply sends from the comcast.net email (and not from [email protected]) and we allow this as a valid sending source in phplist, will this solve our problem?

    2) We attempted to send via webmail, which would have trumped all issues, however because the clients are sending email which incorporates graphics in a template, webmail is a poor choice.

    3) Is there another workaround that we are not seeing?

    Thanks for your help!
    -----------------------------------
    AmeriWeb Hosting
    One Stop Business Solutions
    AmeriWeb Hosting

  2. #2
    Join Date
    Dec 2007
    Posts
    1,277
    Can you post the error message from ATT?
    James Paul Woods
    Operations Manager
    HostKitty Internet Services

  3. #3
    Here is the error I get back ... [email protected] changed ...

    #1
    Failed Recipient: [email protected]
    Reason: Remote host said: 553 5.3.0 nlpi133 - nA8LE0LR030402, DNSBL:ATTRBL 521< 174.133.77.242 >_is_blocked.__For_information_see_http://att.net/blocks

    #2
    Failed Recipient: [email protected]
    Reason: Remote host said: 521 DNSRBL: Blocked for abuse. See http://att.net/blocks

    This is a brand new server, and the IP is not blacklisted. I have slowed the rate phplist sends to the same ISP, so I think #2 may resolve. I have asked to be delisted...
    -----------------------------------
    AmeriWeb Hosting
    One Stop Business Solutions
    AmeriWeb Hosting

  4. #4
    Join Date
    Dec 2007
    Posts
    1,277
    ATT is blocking your IP. Ask ThePlanet to help you, they will resolve it.

    Just give them the error message.

    You'll waste your time contacting ATT yourself. It'll get removed for 24 hours and then you'll find yourself constantly fighting with them because it'll be re-listed. Been there, done that
    James Paul Woods
    Operations Manager
    HostKitty Internet Services

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