From: Avi Schwartz (no email)
Date: Sat May 10 2008 - 16:38:21 EDT
I was notified by Comcast that I need to make changes to the way I send
email via their servers. The changes required a port change and start
using username and password. To test that this works I used Thunderbird
and set the following:
Server Name: smtp.comcast.net
Port: 587
Use name and password are checked and the User Name box contains my user
name
Use secure connection: No
Using these setting I am able to send emails via their servers but
obviously this is not what I want to do, this was just testing that
these settings are valid.
I then changed my main.cf to have the following lines:
relayhost=smtp.comcast.net:587
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options =
In sasl_passwd I entered the following information:
smtp.comcast.net my_user_name:my_password
did a postmap on the file to create sasl_passwd.db and reloaded the
configuration using postfix reload.
When I try to send an email via my server I find the following in the log:
May 10 15:15:11 coral postfix/qmgr[4449]: 73A64F64001:
from=<>, size=1117, nrcpt=1 (queue active)
May 10 15:15:11 coral postfix/smtp[6660]: connect to
smtp.comcast.net[76.96.30.117]: Connection refused (port 587)
May 10 15:15:11 coral postfix/smtp[6660]: 73A64F64001:
to=<>, relay=none, delay=2253, delays=2253/0.02/0.16/0,
dsn=4.4.1, status=deferred (connect to smtp.comcast.net[76.96.30.117]:
Connection refused)
At this point I am not sure where to go from here.
Using telnet I can see the following:
avi at minnow:~$ telnet smtp.comcast.net 587
Trying 76.96.30.117...
Connected to smtp.g.comcast.net.
Escape character is '^]'.
220 OMTA06.emeryville.ca.mail.comcast.net comcast ESMTP server ready
EHLO cfftechnologies.com
250-OMTA06.emeryville.ca.mail.comcast.net hello [67.184.234.114],
pleased to meet you
250-HELP
250-AUTH LOGIN PLAIN CRAM-MD5
250-SIZE 15728640
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-STARTTLS
250 OK
Avi
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