I just started having a similar problem this weekend. Mail delivery prior to
Friday evening had been fine, then this started happening:
SyberSpace:/# exim -v -qf
Single queue run
LOG: 0 MAIN
Start queue run: pid=1429
delivering message 10YYbE-00015f-00 (queue run pid 1429)
Connecting to mail.flex.net [207.70.185.245] ... connected
SMTP<< 220 tron.flex.net ESMTP Sendmail 8.9.3/8.9.3; Sun, 18 Apr 1999
01:55:24 -0500
SMTP>> EHLO SyberSpace
SMTP<< 250-tron.flex.net Hello [EMAIL PROTECTED] [207.18.136.83],
pleased to meet you
250-8BITMIME
250-SIZE 10000000
250-DSN
250-ONEX
250-ETRN
250-XUSR
250 HELP
SMTP>> MAIL FROM:<[EMAIL PROTECTED]> SIZE=1473
SMTP<< 451 <[EMAIL PROTECTED]>... Domain must resolve
SMTP>> QUIT
LOG: 0 MAIN
== [EMAIL PROTECTED] T=remote_smtp defer (0): SMTP error from remote
mailer after MAIL FROM: <[EMAIL PROTECTED]> SIZE=1473: host mail.flex.net
[207.70.185.245]: 451 <[EMAIL PROTECTED]>... Domain must resolve
delivering message 10YlQB-0000Lz-00 (queue run pid 1429)
Connecting to mail.flex.net [207.70.185.245] ... connected
SMTP<< 220 tron.flex.net ESMTP Sendmail 8.9.3/8.9.3; Sun, 18 Apr 1999
01:55:25 -0500
SMTP>> EHLO SyberSpace
SMTP<< 250-tron.flex.net Hello [EMAIL PROTECTED] [207.18.136.83],
pleased to meet you
250-8BITMIME
250-SIZE 10000000
250-DSN
250-ONEX
250-ETRN
250-XUSR
250 HELP
SMTP>> MAIL FROM:<[EMAIL PROTECTED]> SIZE=1473
SMTP<< 451 <[EMAIL PROTECTED]>... Domain must resolve
SMTP>> QUIT
LOG: 0 MAIN
== [EMAIL PROTECTED] T=remote_smtp defer (0): SMTP error from remote
mailer after MAIL FROM: <[EMAIL PROTECTED]> SIZE=1473: host mail.flex.net
[207.70.185.245]: 451 <[EMAIL PROTECTED]>... Domain must resolve
LOG: 0 MAIN
End queue run: pid=1429
==========================================================================
I've run eximconfig to make sure I'm set-up to use my ISP as a smarthost
(first set of options, #2 - Internet site using smarthost),set the 'visible
name' to flex.net, and added 'localhost. This is the result:
Mail generated on this system will have `flex.net' used
as the domain part (after the @) in the From: field and similar places.
The following domain(s) will be recognised as referring to this system:
flex.net, localhost
Mail for postmaster, root, etc. will be sent to srgore.
Local mail is delivered.
Outbound remote mail is sent via mail.flex.net.
==========================================================================
In exim.conf:
qualify_domain = flex.net
local_domains = flex.net:localhost
local_domains_include_host = true
local_domains_include_host_literals = true
never_users = root
host_lookup_nets = 0.0.0.0/0
sender_host_accept_relay = localhost
trusted_users = mail
smtp_verify = false
gecos_pattern = ^([^,:]*)
gecos_name = $1
smtp_accept_queue_per_connection = 100
(...some stuff I'm pretty sure doesn't affect delivery...)
address_reply:
driver = autoreply
remote_smtp:
driver = smtp
(...more stuff clipped...)
smarthost:
driver = domainlist
transport = remote_smtp
route_list = "* mail.flex.net bydns_a"
==========================================================================
I have talked to a friend (sysadm) who claims ISP's are moving toward
requiring users to have a FQDN, is this true? My hostname (SyberSpace) was
just a spur-of-the-moment decision at install time, and has caused no probs
till now.
What?! 02:20! I've got to get some sleep.
Thanks,
Steve Gore
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