Problem sending e-mail to Comcast

T

Tegia

Hello-
I use Outlook 2003 and have it configured with 4 e-mail accounts (POP/SMTP).
In the past few months all e-mail I send to Comcast.net addresses are picked
up by Comcast's spam filter and blocked from reaching their destination.

But when I tested with Mozilla Thunderbird (same 4 e-mail accounts, same
settings, same configurations) the e-mails were able to reach Comcast
addresses. They were not picked up as spam and went straight to the users'
inbox.

How come I cannot succeed with Outlook, but can with Thunderbird? I want to
continue using Outlook! Any help appreciated.
 
T

Tegia

Thanks-- but authentication box wasn't checked in Thunderbird either, yet
their emails go through. How come?

As for configuring SMTP servers to use authentication, I assume I have to
contact each e-mail account provider for this?

Gmail uses authentication I believe (it's 1 of my 4 accounts) yet still does
not go thru in Outlook.
 
R

Roady [MVP]

As for configuring SMTP servers to use authentication, I assume I have to
contact each e-mail account provider for this?
No, it's a simply setting you can turn off/on

If you have a virus scanner that integrates with Outlook, disable this
integration and try again.
 
N

N. Miller

I use Outlook 2003 and have it configured with 4 e-mail accounts (POP/SMTP).
In the past few months all e-mail I send to Comcast.net addresses are picked
up by Comcast's spam filter and blocked from reaching their destination.

But when I tested with Mozilla Thunderbird (same 4 e-mail accounts, same
settings, same configurations) the e-mails were able to reach Comcast
addresses. They were not picked up as spam and went straight to the users'
inbox.

How come I cannot succeed with Outlook, but can with Thunderbird? I want to
continue using Outlook! Any help appreciated.

I couldn't say. But if you send an email to <[email protected]>
from Outlook and from Thunderbird, I might be able to find a clue.
 
T

Tegia

Hello-- tried disabling my virus protection (SMTP authentication was already
checked for all accounts) but no luck-- Comcast still picks it up.

Again, the thing here is: why Outlook but not Thunderbird? Everything in the
settings are the same.
 
T

Tegia

Not sure if I got your e-mail address right, but tried sending test messages
from both Outlook and Thunderbird. Let me know if it doesn't get there--
sorry if I am not smart enough to figure out your address. :)
 

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