[nycbug-talk] Comcast/Optimum Online, Postfix,and OpenBSD (WAS (No Subject))

[Kurt Miller]

From: "Jay Savage" <daggerquill at gmail.com>
> er, sorry about the blank subject...
> 
> I'm wondering if anyone else out there is using optimum online in the
> tri-state area?  I recently switched from Earthlink DSL, and I'm
> having a devil of a time getting my OpenBSD 3.6 box to relay mail.
> 
> I'm having a hard time pinpointing the problem here.  Sometimes the
> error is a timeout while sending DATA, other times it's "Refused to
> talk to me: 421 Connection not accepted at this time".
> 
> Stranger still, I have aliases set up so roots mail goes to an
> external address as well as a local box, and sometimes, but not
> always, some of the delivery failure messages find their way to the
> external address.
> 
> I've tried with and without transport_maps, smtp_sasl_auth_enable,
> differnt values for relay_transport, everything I can think of.  I've
> included the current settings if anyone wants to take a look.
> 
> Thanks,
> 
> Jay Savage

Here's how I do it for sendmail. Maybe may be you could figure
out what's different about Postfix from it.

$ cvs diff -u gnu/usr.sbin/sendmail/cf/cf/openbsd-localhost.mc
Index: gnu/usr.sbin/sendmail/cf/cf/openbsd-localhost.mc
===================================================================
RCS file: /cvs/src/gnu/usr.sbin/sendmail/cf/cf/openbsd-localhost.mc,v
retrieving revision 1.4
diff -u -r1.4 openbsd-localhost.mc
--- gnu/usr.sbin/sendmail/cf/cf/openbsd-localhost.mc    10 Dec 2001 20:57:11 -0000      1.4
+++ gnu/usr.sbin/sendmail/cf/cf/openbsd-localhost.mc    23 Mar 2005 20:19:38 -0000
@@ -23,6 +23,9 @@
 FEATURE(nouucp, `reject')dnl
 FEATURE(`accept_unresolvable_domains')dnl
 FEATURE(`no_default_msa')dnl
+FEATURE(`always_add_domain')dnl
+FEATURE(`masquerade_envelope')dnl
+FEATURE(`genericstable',`hash /etc/mail/genericstable')dnl
 MAILER(local)dnl
 MAILER(smtp)dnl
 DAEMON_OPTIONS(`Family=inet, address=127.0.0.1, Name=MTA')dnl
@@ -35,3 +38,5 @@
 dnl Some broken nameservers will return SERVFAIL (a temporary failure) 
 dnl on T_AAAA (IPv6) lookups.
 define(`confBIND_OPTS', `WorkAroundBrokenAAAA')dnl
+define(`SMART_HOST', `mail.optonline.net')dnl
+GENERICS_DOMAIN(`niobe.zonesville.com')dnl