sendmail 451 Name server timeout

In : linux, system, Posted by admin on Oct.10, 2008

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This is something related to sendmail IPv6 support.

  1. cd /etc/mail
  2. sendmail.mc and add the following at the end of the file:
  3. define(`confBIND_OPTS’, `WorkAroundBrokenAAAA’)dnl
  4. type make
  5. restart sendmail
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    Small point, when I copied and pasted the above line:
    define(`confBIND_OPTS’, `WorkAroundBrokenAAAA’)dnl
    the close-quote characters were copied as end-quote characters (’) rather than apostrophes ('). It might the be the blog software that's adding these (so - in fact - this comment might still show them incorrectly) but here is what the line should be:
    define(`confBIND_OPTS', `WorkAroundBrokenAAAA')dnl

    Thanks for the advice (particularly its conciseness!). It worked for me!
 
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