On Thu, 28 Oct 2010, Angel L. Mateo wrote:

Is there any reason for this pattern being so general? Or this is a bug?

IPv4 addresses are numbers (uint4 to be precise), dotted quad notation is just the most-human-readable way to represent them. It is valid to represent an IPv4 address as a 32-bit hex value.

You should look at your trusted_networks settings if this is a local network client, and should consider using authenticated SMTP if it's a remote trusted client.

Posting full headers from a sample message would help.

--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
 jhar...@impsec.org    FALaholic #11174     pgpk -a jhar...@impsec.org
 key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C  AF76 D822 E6E6 B873 2E79
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