I can receive email but cannot send it.

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Here are the ping results for the mail server we've been using.

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Anne Jones>ping mail.watcoresources.com

Pinging mail.watcoresources.com [64.119.175.105] with 32 bytes of data:

Reply from 64.119.175.105: bytes=32 time=41ms TTL=107
Reply from 64.119.175.105: bytes=32 time=41ms TTL=107
Reply from 64.119.175.105: bytes=32 time=41ms TTL=107
Reply from 64.119.175.105: bytes=32 time=40ms TTL=107

Ping statistics for 64.119.175.105:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 40ms, Maximum = 41ms, Average = 40ms

C:\Documents and Settings\Anne Jones>
 
Another update!

All is well! Turns out we needed to reduce the MTU setting on our D-Link DI
604C router. D-Link support was very helpful and we're up and running again.

AnneKS said:
Here are the ping results for the mail server we've been using.

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Anne Jones>ping mail.watcoresources.com

Pinging mail.watcoresources.com [64.119.175.105] with 32 bytes of data:

Reply from 64.119.175.105: bytes=32 time=41ms TTL=107
Reply from 64.119.175.105: bytes=32 time=41ms TTL=107
Reply from 64.119.175.105: bytes=32 time=41ms TTL=107
Reply from 64.119.175.105: bytes=32 time=40ms TTL=107

Ping statistics for 64.119.175.105:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 40ms, Maximum = 41ms, Average = 40ms

C:\Documents and Settings\Anne Jones>


Gordon said:
And what were the results of the Ping command?
Click to expand...
Click to expand...
 
One other thing - I can use webmail directly on the internet just fine - send
and receive. There's just something between it and Outlook.
Click to expand...

Webmail is irrelevant - it uses a different port (80), a different protocol
(HTTP), and probably accesses a different server altogether.
 
And what were the results of the Ping command?
Click to expand...

Note that ping only tells you that an ICMP packet can get to the
destination computer and that it sent a reply that got back to you. It
does not say anything about whether you can connect on port 25 or whether
there's an SMTP server running at the destination...
 
I am having a similar "can receive, but not send" problem with Outlook 2000.
I have been using an AOL Broadband connection as my ISP, but access a webmail
account (a 3rd party domain name/server) through Outlook 2000. This has been
working just fine for over a year...when all of sudden, about 10 days ago, I
stopped being able to SEND messages. Whenever I attempt to SEND a message
from Outlook I get the following error message:

"This message could not be sent because one of the recipients was rejected
by the server. Server Response: 553 your IP (xxx.xxx.xx.xxx) is on our block
list. (Account: 'mail.scottishsportsfutures.org.uk', SMTP server:
'mail.scottishsportsfutures.org.uk', error number: 0x800ccc79"

My 3rd party (web-hosting) server ASSURE me this has nothing to with them.
I believe them because I am able to send emails through my webmail account
and they can send emails to me when they enter my account details onto THEIR
computers. They are about 98% sure it has something to do with AOL putting
my domain name on some kind of spam-preventing block list. They told me to
call AOL and have it unblocked...but AOL also "ASSURE" me that they do not
put IP addresses or domain names on block lists.

The craziest part is -- that I have had ZERO problems using Outlook and AOL
over the past year...and all of a sudden, one day it just stopped sending
messages & starts giving me that same error message. I haven't done anything
to change my account properties/settings. My firewall allows full access to
Outlook.

I'm completely stumped and so very, VERY frustrated!

Can you offer any suggestions? ...pretty please????
 
"This message could not be sent because one of the recipients was rejected
by the server. Server Response: 553 your IP (xxx.xxx.xx.xxx) is on our block
list. (Account: 'mail.scottishsportsfutures.org.uk', SMTP server:
'mail.scottishsportsfutures.org.uk', error number: 0x800ccc79"

My 3rd party (web-hosting) server ASSURE me this has nothing to with them.
I believe them because I am able to send emails through my webmail account
and they can send emails to me when they enter my account details onto THEIR
computers. They are about 98% sure it has something to do with AOL putting
my domain name on some kind of spam-preventing block list. They told me to
call AOL and have it unblocked...but AOL also "ASSURE" me that they do not
put IP addresses or domain names on block lists.

The craziest part is -- that I have had ZERO problems using Outlook and AOL
over the past year...and all of a sudden, one day it just stopped sending
messages & starts giving me that same error message. I haven't done anything
to change my account properties/settings. My firewall allows full access to
Outlook.
Click to expand...

Sending through your webmail account means nothing - it's a whole different
protocol and server. The only thing you can do at your end is to try
setting up authentication to your outgoing server (on the "outgoing server"
tab for your account).

If that doesn't work, you're going to have to get the help of your ISP in
investigating. If you have a static IP address, it may be that it ended up
on a "black hole" list of IP addresses thought to send or allow spam - many
ISPs use these. If you don't have a static IP, there may be something else
at work...
 
Hi Sandra -

I had the same problem with Outlook 2002 and SBC Yahoo DSL. All of a sudden
it just stopped being able to send. The problem for me ended up being the
router of all things. We had to change our MTU setting. It was at 1492, now
it's at 1472 and everthing is back to normal. What kind of router are you
using?

Good luck!
 
I have the same problems with Outlook 2003. I have 2 different usernames and
every now and then one won't send mail for a month or so then it will go back
to normal. Sometimes it will allow me to send mail anywhere just not hotmail
accounts. I guess I'll have to wait it out since all the admins here are just
as clueless as we are. For such a common/severe problem you think they would
come up with a solution or include this problem in their troubleshooter.
heh... guess it's just easier to give us the run around until it "magically"
fixes itself.

Take some responsibility.
 
Did you ever get your problem solved. I am having the same problem and I am
very frustrated.
Click to expand...

What version of Outlook? What sort of mail account(s)? Do you get any
error messages when you try to send? If so, what are they?
 
I am sorry if I am asking for help for the same thing, 'cannot send emails
but can receive'....I am very frustrated right now because none of the
members' replies/answers help and I cannot seem to find out what went wrong.
I never changed any of the settings, the ISP said it is not them because we
did a test run and everything worked on their part. I did some changes to the
registry as suggested by Andrea R. and didnt work either. Did everything
suggested by the community but nothing works! HELP!!!!! I need the Outlook
for my business. I have the Microsoft Outlook 2002 out of the XP.
 
I am sorry if I am asking for help for the same thing, 'cannot send emails
but can receive'....I am very frustrated right now because none of the
members' replies/answers help and I cannot seem to find out what went wrong.
I never changed any of the settings, the ISP said it is not them because we
did a test run and everything worked on their part. I did some changes to the
registry as suggested by Andrea R. and didnt work either. Did everything
suggested by the community but nothing works! HELP!!!!! I need the Outlook
for my business. I have the Microsoft Outlook 2002 out of the XP.
Click to expand...

What happens when you try to send mail? If you get errors, what is the
exact text?
 
I am using Outlook 2000. Setting are correct. Error is: The TCP/IP was
unexpectedly terminated by the server. (Account: 'Verizon', SMTP Server:
'outgoing.verizon.net', Error Number: 0x800ccc0f).
 
I am using Outlook 2000. Setting are correct. Error is: The TCP/IP was
unexpectedly terminated by the server. (Account: 'Verizon', SMTP Server:
'outgoing.verizon.net', Error Number: 0x800ccc0f).
Click to expand...

Do you have any anti-virus software that scan incoming and outgoing mail?
If so, turn off the mail scan, as it often seems to be responsible for
problems like this.
 
I had this SAME problem about a month ago (could receive, but not send). I
use Outlook 2000 (AOL as an ISP) and was receiving the error message:
0x800ccc79. Then after about 2 weeks the problem just disappeared & Outlook
functioned properly again. Then yesterday (out of the blue) I became unable
to send again!? At first the error message was the same as before
(0x800ccc79), then this morning it switched to this: "Unable to connect to
the server. Error number: 0x800ccc0e."

I have a 3rd party web-based server & have been using AOL as my ISP to send
& recieve messages (from another email account) through Outlook. This has
worked perfectly for about a year, now I'm suddenly having problems.

I've disabled my McAfee Firewall, but not sure if there might other
firewall, email scanning going on that I'm not aware of? I can't figure out
why everything seems to run smoothly for weeks/months & then suddenly
encountered these unexplainable problems. Why am I SUDDENLY unable to
connect to the server??

Any help would be greatly appreciated.
-Sandra
 
I had this SAME problem about a month ago (could receive, but not send). I
use Outlook 2000 (AOL as an ISP) and was receiving the error message:
0x800ccc79. Then after about 2 weeks the problem just disappeared & Outlook
functioned properly again. Then yesterday (out of the blue) I became unable
to send again!? At first the error message was the same as before
(0x800ccc79), then this morning it switched to this: "Unable to connect to
the server. Error number: 0x800ccc0e."
Click to expand...

The 0x800ccc79 error probably means you're not authenticating to your
outgoing server. The failure to connect may mean that some firewall is
blocking access, or perhaps that the server to which you're trying to
connect is temporarily down.
 
I can receive but cant send and I looked on the online help. My error message
is 553. And then i change for the outgoing server to require AUTHENTICATION
and so when i send an email, i dont get an error message this time but it
still doesn't send. I can send to my hotmail account but i cant send to other
emails. The SPA thing isnt it, i tried that. I have outlook2003 . When I
click "test account setting", everything says completed including "send test
email". what's the problem. I have smtp as outgoing. please help!!!!!!!!!!!!
 
I can receive but cant send and I looked on the online help. My error message
is 553. And then i change for the outgoing server to require AUTHENTICATION
and so when i send an email, i dont get an error message this time but it
still doesn't send. I can send to my hotmail account but i cant send to other
emails. The SPA thing isnt it, i tried that. I have outlook2003 . When I
click "test account setting", everything says completed including "send test
email". what's the problem. I have smtp as outgoing. please help!!!!!!!!!!!!
Click to expand...

What version of Outlook do you have? Do you get any error messages when
you try to send?
 
HI Sandra
I have the exact same problem as you, its seems aol is blocking my emails
from being sent, the message i received directed me to the AOL postmaster
hyperlink, which told me to change my outgoing port from 25 to 587. But this
just made no difference what so ever. I was on the phone to AOL last night
for 20 minutes, and the person was about to transfer me to the next level up
(he was adamanat it was nothing to do with AOL but I wasn't going to let them
off that easy), and guess what....yes i got disconnected!!!!!

Going to call them again tonight and hopefully this time i'll get to level 2
and beyond, and who knows maybe they'll admit its something they've done
their end and fix it. I'll keep you informed as to what happens.
 
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