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<DIV dir=ltr align=left><SPAN class=109050116-23062009><FONT face=Arial
color=#0000ff size=2>I gathered from your OP that you are using sendmail so my
exim acls would be of no value to you. I will however say that I check
for either mx or A record first and if neither exist it stops there and the
callout is never made. </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=109050116-23062009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=109050116-23062009><FONT face=Arial
color=#0000ff size=2>And yes, I know a lot of services don't like it or callout
verification (which I wouldn't do if we were talking thousands of emails a day)
but until the general world of smtp changes or more people adopt some kind of
signing or spf I guess that is life. The thing that aggravates me is when I have
to deal with a huge joe job onslaught even though we publish hard fail spf
records for all of our domains (as well as DKIM and
domainkeys).</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=109050116-23062009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=109050116-23062009><FONT face=Arial
color=#0000ff size=2>I never do a callout verify on an incoming message for a
domain/host that returns an spf pass as they have already assumed some form of
responsibility for the message. since pretty much no one uses vrfy it would
behoove the RFC designers to look at something light weight, that works like and
with dns, to handle verification. A DNS record of type mtavrfy returning a
host(s) that handles verification for that domain, much like mx records. But
that is another thread all together for another group. </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=109050116-23062009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=109050116-23062009><FONT face=Arial
color=#0000ff size=2>It's also all I am going to say about callout anything as I
don't plan on joining an pro/anti thread in this forum</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=109050116-23062009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=109050116-23062009><FONT face=Arial
color=#0000ff size=2>Rick</FONT></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> mailscanner-bounces@lists.mailscanner.info
[mailto:mailscanner-bounces@lists.mailscanner.info] <B>On Behalf Of </B>Alex
Neuman van der Hans<BR><B>Sent:</B> Tuesday, June 23, 2009 11:24
AM<BR><B>To:</B> MailScanner discussion<BR><B>Subject:</B> Re: OT: Sendmail
related...<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV>Would you like to share? :-)<BR><BR>---
<DIV>Regards,
<DIV><BR></DIV>
<DIV>Alex Neuman</DIV>
<DIV>Reliant Technologies</DIV>
<DIV>Ph: +507 6781-9505</DIV>
<DIV>Skype: alexneuman</DIV>
<DIV><A href="http://Twitter.com/AlexNeuman">Twitter.com/AlexNeuman</A></DIV>
<DIV><A
href="http://Facebook.com/AlexNeumanvdH">Facebook.com/AlexNeumanvdH</A></DIV>
<DIV><BR></DIV></DIV></DIV>
<DIV><BR>On Jun 23, 2009, at 7:50 AM, "Rick Cooper" <<A
href="mailto:rcooper@dwford.com">rcooper@dwford.com</A>> wrote:<BR><BR></DIV>
<DIV></DIV>
<BLOCKQUOTE type="cite">
<DIV>
<DIV dir=ltr align=left><SPAN class=765294512-23062009><FONT face=Arial
color=#0000ff size=2>I have done this for years and believe it or not there
are still users that don't get it and keep trying. To be fair however,
outlook(express) doesn't always return the actual error text from
the MTA so they often end up calling me and I look at the log and tell them to
fix or verify the address. The place you get into trouble is when the
misspelled domain exists, but doesn't accept mail, in which case you still end
of with mail in a retry status. Of course I have a process that checks for
mail in a retry state every 15 min and send me an email when there is
something waiting.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=765294512-23062009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=765294512-23062009><FONT face=Arial
color=#0000ff size=2>Rick</FONT></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> <A
href="mailto:mailscanner-bounces@lists.mailscanner.info">mailscanner-bounces@lists.mailscanner.info</A>
[mailto:mailscanner-bounces@lists.mailscanner.info] <B>On Behalf Of </B>Alex
Neuman<BR><B>Sent:</B> Monday, June 22, 2009 10:54 PM<BR><B>To:</B>
MailScanner discussion<BR><B>Subject:</B> Re: OT: Sendmail
related...<BR></FONT><BR></DIV>
<DIV></DIV>Talking to myself here, just found one of the two things I was
talking about.<BR><BR>There's a milter called milter-chkrcpt (found using <A
href="http://milter.org"><A href="http://milter.org">milter.org</A></A>) that
does a "call ahead" and rejects the e-mail if there are no valid recipients.
I'll give it a shot.<BR><BR><BR>
<DIV class=gmail_quote>On Mon, Jun 22, 2009 at 9:48 PM, Alex Neuman <SPAN
dir=ltr><<A href="mailto:alex@rtpty.com"><A
href="mailto:alex@rtpty.com">alex@rtpty.com</A></A>></SPAN> wrote:<BR>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">Hi
list,<BR><BR>I've been googling around and haven't been able to figure out
*how* to look for the following two things. Feel free to reply off-list if
you think it's not list-worthy material.<BR><BR>1. How do I change the "try
to deliver for four days and then bounce back to the sender" to, say, two
days, when using sendmail?<BR>2. Can I tell sendmail *not* to accept e-mail
for domains that have no MX (I know, "bad") or "no MX *and* no A" (not so
bad) records in DNS? How about with a milter?<BR><BR>The basic premise is
that I've recently detected a surge in users that don't seem to care about
typos or that don't believe in address books. Mail gets queued up and they
don't have a clue until hours (or days) later that they mistyped the domain
name.<BR clear=all><FONT color=#888888><BR>-- <BR>Alex Neuman van der
Hans<BR>Reliant Technologies<BR>+507 6781-9505<BR>+507 202-1525<BR><A
href="mailto:alex@rtpty.com" target=_blank><A
href="mailto:alex@rtpty.com">alex@rtpty.com</A></A><BR>Skype:
alexneuman<BR></FONT></BLOCKQUOTE></DIV><BR><BR clear=all><BR>-- <BR>Alex
Neuman van der Hans<BR>Reliant Technologies<BR>+507 6781-9505<BR>+507
202-1525<BR><A href="mailto:alex@rtpty.com"><A
href="mailto:alex@rtpty.com">alex@rtpty.com</A></A><BR>Skype:
alexneuman<BR><BR>-- <BR>This message has been scanned for viruses and
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