They are the ones with the logs. All we can do is guess

But if it is only GoDaddy and they oddball mail servers (they are strange) you might get some sense out of them.

Are the mails from a godaddy domain address?

Matt said: >>All we can do is guess... Agreed, I was bummed when they dropped the case. The 3rd level Centurytel tech either didn't know, or wouldn't tell me what mail server package they used, so I couldn't follow up with that vendor.

The issue is tied to some aspect of the header formatting or content as created in T'bird. I ran tests using Outlook from here and had zero problems with my mails being delivered to any other mail server or domain. I also used the Centurytel Webmail client and had no problems.

I also sent messages created in T'bird and sent them with no problkem through an AT&T and GoDaddy account and didn't have any delivery issues. Only when I create and send the message from T'bird and deliver it through the Centurytel mail server does the selective delivery behavior rear it's ugly head...go figure.

I've used T'bird since it came out years ago and love it...but this is getting in the way, and my email addy is legacy and I am loathe to abandon it. I may have to change my email client to, *urp* Outlook or something else...

Thank you for checking in on this, Matt! If you think it would help I can send you the transcript of the rejected mail?

Cheers,

Howard Hoyt

Just try removing the reply to from your account settings. Some lunatic setting at Yahoo rejected mail a while back if the mail had a valid reply-to address. They were fixing a SPAM problem with gelignite.

Otherwise, my email address is in my profile... just click on my ugly head to get linked to my profile. Send what you have... It may not help, but it can not hurt.