What sendmail version?
Is this with sendmail running on the same box as Listserv?
How is Listserv handling the delivery?
Single-threaded delivery or SMTP helpers?
Are you using BSMTP?

-Chris

Nick Abiola-Bisiolu wrote:
> Hi All,
> 
> I am wondering if anyone is having similar experince with Listserv where 
> messages send to a very large list get resend a second time to some of 
> the recipientsc by sendmail due to unknown email addresses retuned by 
> the server local alias table.
> We have configured our Listserv server in Unix environment and all our 
> staff aliases are resolvable by the Listserv server.
> According to Lsoft technical support, we have to modify some setting in 
> sendmail timeout to fix the issue, but they have not benn specific about 
> the changes.
> 
> During email distribution from Listserv, we noted that some of the 
> recipients addreses that are bad are reported back instantly to Listserv 
> by the server alias deamon as shown below.
> 
> 9 May 2007 15:01:27 Processed     700 recipients...
> 9 May 2007 15:01:28 Processed     800 recipients...
> -> RCPT TO:<[log in to unmask]>
> 550 5.1.1 <[log in to unmask]>... User unknown
> -> RCPT TO:<[log in to unmask]>
> 550 5.1.1 <[log in to unmask]>... User unknown
> 9 May 2007 15:01:28 Processed     900 recipients...
> 9 May 2007 15:01:28 Processed    1000 recipients...
> -> RCPT TO:<[log in to unmask]>
> 550 5.1.1 <[log in to unmask]>... User unknown
> 9 May 2007 15:01:28 Processed    1100 recipients...
> -> RCPT TO:<[log in to unmask]>
> 550 5.1.1 <[log in to unmask]>... User unknown
> 9 May 2007 15:01:28 Processed    1200 recipients...
> -> RCPT TO:<[log in to unmask]>
> 550 5.1.1 <[log in to unmask]>... User unknown
> 9 May 2007 15:01:28 Processed    1300 recipients...
> -> RCPT TO:<[log in to unmask]>
> 550 5.1.1 <[log in to unmask]>... User unknown
> -> RCPT TO:<[log in to unmask]>
> 550 5.1.1 <[log in to unmask]>... User unknown
> 9 May 2007 15:01:29 Processed    1400 recipients...
> -> RCPT TO:<[log in to unmask]>
> 550 5.1.1 <[log in to unmask]>... User unknown
> 9 May 2007 15:01:29 Processed    1500 recipients...
> -> RCPT TO:<[log in to unmask]>
> 550 5.1.1 <[log in to unmask]>... User unknown
> -> RCPT TO:<[log in to unmask]>
> 550 5.1.1 <[log in to unmask]>... User unknown
> 9 May 2007 15:01:30 Processed    1600 recipients...
> 9 May 2007 15:01:30 Processed    1700 recipients...
> 
> In Sendmail log the same message was generated twice to the same list 
> with differennt message ID and each list of recipients are identical 
> starting with the bad addreses.
> 
> Please respond with any helpful information.
> 
> 
> 
> Thanks,
> Nick

-- 
Christopher Wilson
Information Systems Coordinator
ISS Technology Operations and Engineering
The George Washington University
202-994-3878
[log in to unmask]