[CentOS] slowness in sendmail - 60 second timeout

Simon Billis simon at houxou.com
Mon Feb 8 15:28:39 UTC 2010


Jerry Geis sent a missive on 2010-02-08:

> I am sending an email from my machine devcentos5x64. the transcript
> below (hangs for 60 seconds) at the line: MAIL
> From:<root at devcentos5x64.msgnet.com> SIZE=56
> AUTH=root at devcentos5x64.msgnet.com
> 
> The email succeeds - but I am trying to figure out the 60 second delay.
> Neither email server is busy. Nothing is waiting.
> 
> the DNS on both machines point to the same nameserver. The DNS
> responds very fast when looking up server names.
> 
> What else can I look for to remove the slowness or delay?
> 
> jerry
> 
> ------------------------------------
> 
>  date | mail -v -v -v -v geisj at pagestation.com geisj at pagestation.com...
> Connecting to [127.0.0.1] via relay... 220 devcentos5x64.msgnet.com
> ESMTP Sendmail 8.13.8/8.13.8; Mon, 8 Feb 2010 10:02:15 -0500  >>> EHLO
> devcentos5x64.msgnet.com 250- devcentos5x64.msgnet.com Hello localhost
> [127.0.0.1], pleased to meet you 250-ENHANCEDSTATUSCODES 250-PIPELINING
> 250-8BITMIME 250-SIZE 250- DSN 250-ETRN 250-AUTH DIGEST-MD5 CRAM-MD5
> 250-DELIVERBY 250 HELP  >>> MAIL From:<root at devcentos5x64.msgnet.com>
> SIZE=56 AUTH=root at devcentos5x64.msgnet.com 250 2.1.0
> <root at devcentos5x64.msgnet.com>... Sender ok  >>> RCPT
> To:<geisj at pagestation.com>  >>> DATA 250 2.1.5
> <geisj at pagestation.com>... Recipient ok 354 Enter mail, end with "." on
> a line by itself  >>> . 250 2.0.0 o18F2FMV002336 Message accepted for
> delivery geisj at pagestation.com... Sent (o18F2FMV002336 Message accepted
> for delivery) Closing connection to [127.0.0.1]  >>> QUIT 221 2.0.0
> devcentos5x64.msgnet.com closing connection [root at devcentos5x64 src]#

Check your DNS resolution settings - it may be dns timeout.





More information about the CentOS mailing list