>Please forgive the relatively large log file, but I think it may be 
>necessary in order to unravel this problem.


>Setup is Win2K server running Imail 8 listserv relaying via the FreeeBSD 
>postfix 2 SMTP server. The list gets out to some of the users and then 
>fails when it encounters an address problem. Any clues folks?
>
>================================================================================
>
>20031209 160139 127.0.0.1       SMTP (0390AED2) 250 Ok: queued as 897A220A56
>20031209 160139 127.0.0.1       SMTP (0390AED2) gdeliver 192.168.1.137 
>multiple (5) [EMAIL PROTECTED] 3772
>20031209 160139 127.0.0.1       SMTP (0390AED2) >QUIT
>20031209 160139 127.0.0.1       SMTP (0390AED2) 221 Bye
>20031209 160139 127.0.0.1       SMTP (0390AED2) Connect 192.168.1.137 
>[192.168.1.137:25] (0)
>20031209 160139 127.0.0.1       SMTP (0390AED2) 220 
>prajna.mandala-designs.com - ESMTP - Postfix - Attn: UCE trespassers will 
>be pursued.
>20031209 160139 127.0.0.1       SMTP (0390AED2) >EHLO samovartea.com
>20031209 160139 127.0.0.1       SMTP (0390AED2) 250-prajna.mandala-designs.com
>20031209 160139 127.0.0.1       SMTP (0390AED2) 250-PIPELINING
>20031209 160139 127.0.0.1       SMTP (0390AED2) 250-SIZE 20000000
>20031209 160139 127.0.0.1       SMTP (0390AED2) 250-ETRN
>20031209 160139 127.0.0.1       SMTP (0390AED2) 250-XVERP
>20031209 160139 127.0.0.1       SMTP (0390AED2) 250 8BITMIME
>20031209 160139 127.0.0.1       SMTP (0390AED2) >MAIL 
>FROM:<[EMAIL PROTECTED]>
>20031209 160139 127.0.0.1       SMTP (0390AED2) 250 Ok
>20031209 160139 127.0.0.1       SMTP (0390AED2) >RCPT To:<[EMAIL PROTECTED]>
>20031209 160143 127.0.0.1       SMTP (0390AED2) 550 <[EMAIL PROTECTED]>: 
>Recipient address rejected: undeliverable address:
>host lightning.he.net[64.62.240.2] said: 550 Bad destination mailbox 
>address - No such user at that domain (in reply to RCPT
>TO command)

... reject 1


>20031209 160143 127.0.0.1       SMTP (0390AED2) >RCPT To:<[EMAIL PROTECTED]>
>20031209 160143 127.0.0.1       SMTP (0390AED2) 250 Ok
>20031209 160143 127.0.0.1       SMTP (0390AED2) >RCPT To:<[EMAIL PROTECTED]>
>20031209 160143 127.0.0.1       SMTP (0390AED2) 250 Ok
>20031209 160143 127.0.0.1       SMTP (0390AED2) >RCPT 
>To:<[EMAIL PROTECTED]>
>20031209 160144 127.0.0.1       SMTPD (18CF01E6) [192.168.1.132] connect 
>206.96.88.184 port 2273
>20031209 160147 127.0.0.1       SMTP (0390AED2) 550 
><[EMAIL PROTECTED]>: Recipient address rejected: undeliverable 
>address: host nomail.yahoo.com[216.145.48.35] said: 550 5.1.2

... reject 2

>  <[EMAIL PROTECTED]>... Unsupported mail destination (in reply to 
> RCPT TO command)
>20031209 160147 127.0.0.1       SMTP (0390AED2) >RCPT 
>To:<[EMAIL PROTECTED]>
>20031209 160148 127.0.0.1       SMTP (0390AED2) 421 Error: too many errors

stmpd_hard_error_limit = 2, so postfix disconnects.

The list is dirty, remove the bad addresses that postfix can't deliver.

or have reject_unverified_recipient after permit_mynetworks so postfix will 
eat all the bad recipients on the outbound, but putting 
reject_unverified_recipient too low wastes your machine handling inbound 
crap to unknown recipients.

Len 


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