[Chicago-talk] emailing from perl

Kent Cowgill kent at c2group.net
Sun Aug 5 03:57:12 PDT 2007

Hash: SHA1

On Aug 5, 2007, at 2:35 AM, Jonathan T. Rockway wrote:

> On Thu, Aug 02, 2007 at 02:29:17PM -0400, Steven Lembark wrote:
>> Q: If you do not intend to use local smtp, what
>>    is your ISP's smtp forwarding hostname or
>>    IP address? If you telnet to it's IP and port
>>    25 can you connect?
>> Until you have working answers to these questions
>> no amount of local email code is going to work: it
>> won't have a mail transport agent to talk to and
>> thus won't have any way to move the mail.
> Not true.  If I want to send mail to foo at example.com, all I have to do
> is look up the MX record for example.com and talk to port 25 on that
> machine.  No local (or ISP-level) mail server is necessary.

Unless your ISP blocks outbound connections on port 25 in some  
misguided attempt to block email spam zombies,

> Then again, I sent this message with that technique, so it
> apparently works.

Just because your ISP allows you to do that doesn't mean everyone  
else's does.

- -Kent Cowgill

C2 Group, Inc.                                             
kent at c2group.net

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