append_dot_mydomain no such transport filter

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append_dot_mydomain no such transport filter

Robert Lopez
I have been slowly building a mail gateway, mg05.

I had working sending of email from my gmail account to
[hidden email] and via virtualaliases it was passed into the
appropriate email server.
I noticed as I populated the virtualaliases table with more and more
lines from other gateways in production something broke.
I could no longer send to an address such as rlopez originating with
the local /usr/bin/mail.
The fix for that was to add this to /etc/postfix/main.cf:
append_dot_mydomain = yes
to allow appending cnm.edu to find fqdn for locally injected email.

That last change appears to have fixed that problem.
However now email sent from my gmail account to my [hidden email]
is logged by postfix/error as "status=deferred (mail transport
unavailable)"
I do not comprehend how that last change has this side effect.

What am I missing?

postfinger - postfix configuration on Thu Jul 16 09:39:22 MDT 2009
version: 1.30

--System Parameters--
mail_version = 2.5.5
hostname = mg05
uname = Linux mg05 2.6.28-11-server #42-Ubuntu SMP Fri Apr 17 02:45:36
UTC 2009 x86_64 GNU/Linux

--Packaging information--
looks like this postfix comes from deb package: postfix-2.5.5-1.1

--main.cf non-default parameters--
alias_maps = hash:/etc/aliases
biff = no
bounce_size_limit = 1
default_process_limit = 400
header_checks = regexp:/etc/postfix/header_checks
mailbox_size_limit = 0
masquerade_domains = $mydomain, cnm.edu, nmvc.org, nmvirtualcollege.org
message_size_limit = 16777216
mydestination = $myhostname, $mydomain, localhost.localdomain,
cnm.edu, mail.cnm.edu, mg01.cnm.edu, mg02.cnm.edu, mg03.cnm.edu,
mg04.cnm.edu, mg05.cnm.edu, nmvc.org, mail.nmvc.org, mg01.nmvc.org,
mg02.nmvc.org, mg03.nmvc.org, mg04.nmvc.org, mg05.nmvc.org,
nmvirtualcollege.org, mail.nmvirtualcollege.org,
mg01.nmvirtualcollege.org, mg02.nmvirtualcollege.org,
mg03.nmvirtualcollege.org, mg04.nmvirtualcollege.org,
mg05.nmvirtualcollege.org, nmln.net, ideal-nm.org, ideal-nm.net,
idealnm.org, idealnm.net
myhostname = mg05.cnm.edu
mynetworks = 198.133.182.0/24, 198.133.181.0/24, 198.133.180.0/24,
172.16.0.0/12, 192.168.0.0/16, 10.0.0.0/8, 127.0.0.0/8
[::ffff:127.0.0.0]/104 [::1]/128
myorigin = /etc/mailname
notify_classes = resource,software
readme_directory = no
recipient_delimiter = +
smtpd_banner = cnm.edu
smtpd_client_restrictions = permit_mynetworks
        hash:/etc/postfix/whitelist reject_rbl_client
zen.spamhaus.org reject_rbl_client bl.spamcop.net reject_rbl_client
dnsbl.njabl.org reject_rbl_client
blackholes.five-ten-sg.com=127.0.0.4 reject_rbl_client
blackholes.five-ten-sg.com=127.0.0.5 reject_rbl_client
blackholes.five-ten-sg.com=127.0.0.6 reject_rbl_client
blackholes.five-ten-sg.com=127.0.0.7 reject_rbl_client
blackholes.five-ten-sg.com=127.0.0.8 reject_rbl_client
blackholes.five-ten-sg.com=127.0.0.9 reject_rbl_client
blackholes.five-ten-sg.com=127.0.0.10 reject_rbl_client
blackholes.five-ten-sg.com=127.0.0.11 reject_rbl_client
blackholes.five-ten-sg.com=127.0.0.13 permit
smtpd_helo_required = yes
smtpd_helo_restrictions = permit_mynetworks, reject_invalid_hostname
smtpd_recipient_restrictions = check_recipient_access
hash:/etc/postfix/filtered_domains check_recipient_access
hash:/etc/postfix/overquota reject_non_fqdn_sender reject_unknown_sender_domain reject_non_fqdn_recipient reject_unknown_recipient_domain reject_unlisted_recipient permit_mynetworks reject_unauth_destination reject_unauth_pipelining reject_invalid_helo_hostname
        reject_non_fqdn_helo_hostname reject_rbl_client zen.spamhaus.org
smtpd_sender_restrictions = check_sender_access
hash:/etc/postfix/greylist check_sender_access
hash:/etc/postfix/sender_access permit_mynetworks
        reject_unknown_sender_domain
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = yes
smtp_host_lookup = dns, native
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
virtual_alias_maps = hash:/etc/postfix/virtualaliases

--master.cf--
smtp      inet  n       -       -       -       -       smtpd
pickup    fifo  n       -       -       60      1       pickup
cleanup   unix  n       -       -       -       0       cleanup
qmgr      fifo  n       -       n       300     1       qmgr
tlsmgr    unix  -       -       -       1000?   1       tlsmgr
rewrite   unix  -       -       -       -       -       trivial-rewrite
bounce    unix  -       -       -       -       0       bounce
defer     unix  -       -       -       -       0       bounce
trace     unix  -       -       -       -       0       bounce
verify    unix  -       -       -       -       1       verify
flush     unix  n       -       -       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
proxywrite unix -       -       n       -       1       proxymap
smtp      unix  -       -       -       -       -       smtp
relay     unix  -       -       -       -       -       smtp
        -o smtp_fallback_relay=
showq     unix  n       -       -       -       -       showq
error     unix  -       -       -       -       -       error
retry     unix  -       -       -       -       -       error
discard   unix  -       -       -       -       -       discard
local     unix  -       n       n       -       -       local
virtual   unix  -       n       n       -       -       virtual
lmtp      unix  -       -       -       -       -       lmtp
anvil     unix  -       -       -       -       1       anvil
scache    unix  -       -       -       -       1       scache
maildrop  unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
uucp      unix  -       n       n       -       -       pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
ifmail    unix  -       n       n       -       -       pipe
  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp     unix  -       n       n       -       -       pipe
  flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient
scalemail-backend unix - n n - 2 pipe
  flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store
${nexthop} ${user} ${extension}
mailman   unix  -       n       n       -       -       pipe
  flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
  ${nexthop} ${user}

-- end of postfinger output --

--
Robert Lopez
Unix Systems Administrator
Central New Mexico Community College (CNM)
525 Buena Vista SE
Albuquerque, New Mexico 87106