seems something subtle has gone awry with sendmail. i'm getting:
<<< 550 relaying to <[EMAIL PROTECTED]> prohibited by administrator (failed to find
host name from IP address)
mail goes out fine to everybody else. it's only this earthlink
recipient that barfs. and it may or not be relevant here that
smtpauth.earthlink.net is my smarthost.
sending mail to those earthlink recipients works fine for me under
redhat7.3 (sendmail-8.11.6-25.73). it's just under redhat9
(sendmail-8.12.8-5.90) that i get the above result, and even then only
if i run my sendmail.mc through m4 to build sendmail.cf as usual.
but even redhat9 delivers to earthlink just fine if, instead, i just use
my sendmail.cf from redhat7.3! built from the same sendmail.mc, but
built under redhat7.3
so does this mean it's not my problem? that someone will fix sendmail
and a future release will work for me again? or that i should heed the
advice of many and start looking at other mta's? does someone
understand this better than me? my sendmail.mc is below. if you want
anything else i'll be glad to..
sendmail.mc:
include(`/usr/share/sendmail-cf/m4/cf.m4')dnl
OSTYPE(`linux')dnl
define(`confDEF_USER_ID',``8:12'')dnl
define(`confTRUSTED_USER', `smmsp')dnl
define(`confDONT_PROBE_INTERFACES',true)dnl
define(`confERROR_MODE',`m')dnl
define(`confDIAL_DELAY',`60s')dnl
define(`confDEAD_LETTER_DROP',`/var/mail/DEAD_LETTER_DROP')dnl
define(`confDEF_AUTH_INFO',`/etc/mail/auth-outgoing-default')dnl
dnl AUTH_OPTIONS A allows relaying if the user authenticates
dnl AUTH_OPTIONS p disallows plaintext authentication (PLAIN/LOGIN) on non-TLS links,
not available on rh7
define(`confAUTH_OPTIONS',`A p')dnl
TRUST_AUTH_MECH( `EXTERNAL DIGEST-MD5 CRAM-MD5 LOGIN')dnl
define(`confAUTH_MECHANISMS',`EXTERNAL GSSAPI DIGEST-MD5 CRAM-MD5 LOGIN')dnl
define(`confPRIVACY_FLAGS',`noreceipts,noexpn,novrfy,needmailhelo,authwarnings')dnl
define(`confSMTP_LOGIN_MSG',`')dnl Delete all the program and version information out
of the SMTP header
define(`confCONNECTION_RATE_THROTTLE',`5')dnl connections the server can receive per
second
define(`confMAX_DAEMON_CHILDREN',`25')dnl maximum child processes that can be spawned
by the server
define(`confMIN_FREE_BLOCKS',`100000')dnl 25mb presuming 256byte blocks
define(`HELP_FILE',`')dnl Enhance security by not offering version numbers in the HELP
output
define(`PROCMAIL_MAILER_PATH',`/usr/bin/procmail')dnl
define(`ALIAS_FILE',`/etc/aliases')dnl
define(`LOCAL_RELAY',`+sendlocalmailto+')dnl
define(`SMART_HOST',`+sendmailoutvia+')dnl
undefine(`BITNET_RELAY')dnl
undefine(`UUCP_RELAY')dnl
FEATURE(nouucp,reject)dnl
FEATURE(`smrsh',`/usr/sbin/smrsh')dnl
FEATURE(`virtusertable',`hash -o /etc/mail/virtusertable.db')dnl
FEATURE(`virtuser_entire_domain')dnl
FEATURE(redirect)dnl
FEATURE(use_ct_file)dnl
dnl The '-t' option will retry delivery if e.g. the user runs over his quota. don't.
dnl URE(local_procmail,`',`procmail -t -Y -a $h -d $u')dnl
FEATURE(local_procmail,`',`procmail -Y -a $h -d $u')dnl
FEATURE(`access_db')dnl
FEATURE(`blacklist_recipients')dnl
FEATURE(`dnsbl', `list.dsbl.org',`Message from $&{client_addr} rejected - see
http://dsbl.org')dnl
FEATURE(`dnsbl', `relays.ordb.org',`"550 Email rejected due to sending server
misconfiguration - see http://www.ordb.org/faq";')dnl
FEATURE(`dnsbl', `dnsbl.njabl.org',`Message from $&{client_addr} rejected - see
http://njabl.org')dnl
FEATURE(`dnsbl', `sbl.spamhaus.org',`Message from $&{client_addr} rejected - see
http://www.spamhaus.org/SBL')dnl
FEATURE(`dnsbl',`blackholes.brainerd.net',`Message from $&{client_addr} rejected - see
http://blackholes.brainerd.net')dnl
FEATURE(`dnsbl', `dialups.visi.com',`Message from $&{client_addr} rejected - see
http://dialups.visi.com')dnl
FEATURE(`dnsbl', `dialups.mail-abuse.org',`Message from $&{client_addr} rejected - see
http://mail-abuse.org/dul/enduser.htm')dnl
FEATURE(`accept_unresolvable_domains')dnl else unresolvable domains cause fetchmail to
keep retrying, bogging and breaking named
FEATURE(masquerade_envelope)dnl
MASQUERADE_AS(+sendmailmasq+)dnl
MAILER(smtp)dnl
MAILER(procmail)dnl
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