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 Post subject: "Your e-mail address (XXXX@comcast.net) has a problem." bann
PostPosted: Thu Nov 03, 2011 5:44 pm 
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Boeing757222 - FlightAware user avatar

Joined: Mon Dec 12, 2005 1:00 pm
Posts: 12
Just started getting this on the FlightAware home page as a banner.....

"Your e-mail address (XXXX@comcast.net) has a problem."

My email address seems to be working fine with no problem.

By chance did you hardcode ".com" and rejected ".net" addresses...?

Tim


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Thu Nov 03, 2011 6:36 pm 
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mduell - FlightAware user avatar

Joined: Wed Jul 27, 2005 3:00 pm
Posts: 4865
Location: FAWHQ
This means mail we sent to you was rejected by your mail server. Either the address is invalid, they're failing to accept mail, or they're considering us to be spam.

It's not based on the top level domain at all.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Thu Nov 03, 2011 6:42 pm 
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Boeing757222 - FlightAware user avatar

Joined: Mon Dec 12, 2005 1:00 pm
Posts: 12
There must have been a change somewhere, since I received notification of the forum entry....

I'll go look at the spam filter...I see that there was someone else who got teh same notification.

Tim


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Thu Nov 03, 2011 7:29 pm 
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FlightAware Member
rw812 - FlightAware user avatar

Joined: Wed Jun 23, 2010 8:00 am
Posts: 1869
Location: damiross.net
Could it be a problem with FlightAware's server interacting with Comcast's servers?

When I send an email from Gmail to my Comcast account, the email goes through with no problems. I haven't seen anything in my spam folder from FlgihtAware.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Thu Nov 03, 2011 9:30 pm 
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BlutiG - FlightAware user avatar

Joined: Thu Nov 11, 2010 8:00 pm
Posts: 1
Hey I have the same problem! Just yesterday I got an email to my comcast.net address from flightaware perfectly fine telling me one of my photos was picked as a staff favorite. However, every time Flight Alerts tries to send me an email about one of my tracked flights I get the same problem as you are having. I've checked my spam folder/settings... no sign of any emails.

Please help!


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Fri Nov 04, 2011 7:07 am 
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FlightAware Staff
dbaker - FlightAware user avatar

Joined: Mon Jul 25, 2005 12:00 am
Posts: 2149
Location: FlightAware WHQ
This appears to a problem that only affects Comcast users. Comcast has been mistakenly flagging FlightAware emails as spam for months and sometimes bounces them as undeliverable, which we then receive and mark the email address invalid.

We have been attempting to contact Comcast for months to resolve this issue but they have not responded.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Fri Nov 04, 2011 7:18 pm 
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jmhayes - FlightAware user avatar

Joined: Wed Mar 01, 2006 7:00 pm
Posts: 29
dbaker wrote:
This appears to a problem that only affects Comcast users.

I'm getting the banner too and I run my own mail server. No problems here; maybe it would help for your page to show what the error was, and when?


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Sat Nov 05, 2011 10:18 am 
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ppick - FlightAware user avatar

Joined: Sat Sep 13, 2008 11:00 pm
Posts: 48
Location: Shreveport, Louisiana
I'm on Comcast also and have the annoying banner at the top also!


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Sat Nov 05, 2011 10:23 am 
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jmhayes - FlightAware user avatar

Joined: Wed Mar 01, 2006 7:00 pm
Posts: 29
jmhayes wrote:
dbaker wrote:
This appears to a problem that only affects Comcast users.

I'm getting the banner too and I run my own mail server. No problems here; maybe it would help for your page to show what the error was, and when?

Also: I'm getting email from Flightaware about this thread, yet the banner persists.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Wed Nov 09, 2011 7:42 am 
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sinohara - FlightAware user avatar

Joined: Sat May 28, 2011 8:18 am
Posts: 3
I uses the XXXXXXX.XX@ms*.hinet.net get the same problem,just one hour ago.

It looks like the problem or a bug is not for the specific mail servers.

please check what`s wrong with this site.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Wed Nov 09, 2011 9:26 am 
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FlightAware Member
porterjet - FlightAware user avatar

Joined: Tue Jan 17, 2006 12:00 pm
Posts: 2516
Location: KSBP/FIMP
I had an email I sent to a friend that uses comcast get bounced as undeliverable by the yahoo email server. It had nothing to do with FA.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Wed Nov 16, 2011 7:11 pm 
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Charter Member
GNovitsky - FlightAware user avatar

Joined: Sat Oct 22, 2005 9:00 pm
Posts: 10
Well the system was working for 3 or 4 days. I have my alerts now sent to my iPhone and email. All weekend long and the past few days both were getting alerts. Today, only the iPhone got them and for the first time in a few days I logged on to Flight Aware and got the big banner on the top that states my email address has a problem. Yes. I'm on Comcast. Don't know how this helps you but just reporting in the Comcast bug is again doing its work....


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Wed Dec 07, 2011 1:24 pm 
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jmhayes - FlightAware user avatar

Joined: Wed Mar 01, 2006 7:00 pm
Posts: 29
It's happening again. I got the banner this morning.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Wed Dec 07, 2011 2:54 pm 
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mduell - FlightAware user avatar

Joined: Wed Jul 27, 2005 3:00 pm
Posts: 4865
Location: FAWHQ
jmhayes wrote:
It's happening again. I got the banner this morning.


It looks like you're not a comcast user and email really is bouncing from your personal domain. Is the correct TLD for your personal domain the .net or .com?


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Sat Dec 17, 2011 8:39 pm 
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jmhayes - FlightAware user avatar

Joined: Wed Mar 01, 2006 7:00 pm
Posts: 29
mduell wrote:
jmhayes wrote:
It's happening again. I got the banner this morning.


It looks like you're not a comcast user and email really is bouncing from your personal domain.

I get hundreds of pieces of mail to that address each day. Unless the system is sending mail with a known virus attached, I couldn't tell you why it's bouncing. I do not see anything in my logs suggesting flightaware attempted to send me mail.

As a test, I logged out and at the log in screen clicked "I forgot my password" and the system was able to send me a new password.

Only slightly annoying, but I would like to get my alerts going again ...


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Tue Dec 20, 2011 2:16 pm 
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jmhayes - FlightAware user avatar

Joined: Wed Mar 01, 2006 7:00 pm
Posts: 29
jmhayes wrote:
It's happening again. I got the banner this morning.

Here's what I did to fix it:

- Change my address to something else
- Change it back

No trouble getting the acknowlegements to that address, and my alerts started working again.

*shrug*


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Sat Dec 31, 2011 12:10 pm 
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jmhayes - FlightAware user avatar

Joined: Wed Mar 01, 2006 7:00 pm
Posts: 29
jmhayes wrote:
It's happening again. I got the banner this morning.

... and it's happening again. But: I figured out what's wrong, and it's a problem with Flightaware's email sending. Who can I talk to about this off-forum?


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Sat Dec 31, 2011 4:08 pm 
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mduell - FlightAware user avatar

Joined: Wed Jul 27, 2005 3:00 pm
Posts: 4865
Location: FAWHQ
What's the problem?


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Sat Dec 31, 2011 4:24 pm 
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jmhayes - FlightAware user avatar

Joined: Wed Mar 01, 2006 7:00 pm
Posts: 29
mduell wrote:
What's the problem?

One or more of your mail servers isn't implementing SMTP correctly. Some do, but some don't. That explains why some of your messages get through to me, and some don't; but it doesn't explain why you send mail differently from different parts of the site. Here's an article that explains it pretty well:

http://drdobbs.com/199102207

Short answer: you have an SMTP sender that looks/acts like a spammer. Besides being out of conformance, it's probably responsible for plenty of other problems. This is the first time I've seen a non-spammer using this technique ("slamming") but even if it saves you some CPU cycles, it's probably not a great idea.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Sun Jan 01, 2012 12:44 pm 
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jmhayes - FlightAware user avatar

Joined: Wed Mar 01, 2006 7:00 pm
Posts: 29
jmhayes wrote:
mduell wrote:
What's the problem?

One or more of your mail servers isn't implementing SMTP correctly.


Looks like victor.hou [216.52.171.103] works fine; cfood.hou [216.52.171.79] has the problem. Other hosts which have gotten through in the last month are: blubl, alfa, royce, snday.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Tue Jan 03, 2012 4:24 pm 
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FlightAware Staff
dbaker - FlightAware user avatar

Joined: Mon Jul 25, 2005 12:00 am
Posts: 2149
Location: FlightAware WHQ
jmhayes wrote:
jmhayes wrote:
mduell wrote:
What's the problem?

One or more of your mail servers isn't implementing SMTP correctly.


Looks like victor.hou [216.52.171.103] works fine; cfood.hou [216.52.171.79] has the problem. Other hosts which have gotten through in the last month are: blubl, alfa, royce, snday.


The problem is not that cfood.hou implements SMTP incorrectly, but rather than due to the high volume of mail that cfood.hou sends out, it gives up on your server during the GreetPause.

Quote:
maillog.7.bz2:Dec 26 23:48:19 cfood postfix/smtp[72915]: 4BD5625A67FA: to=<jmhayes@REMOVED>, relay=REMOVED[REMOVED]:25, delay=307194, delays=307189/0.01/5.1/0, dsn=4.4.2, status=deferred (conversation with REMOVED[REMOVED] timed out while receiving the initial server greeting)


It will only wait a max of 6 seconds for the SMTP banner and then 5 seconds for a response to HELO.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Tue Jan 03, 2012 4:31 pm 
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jmhayes - FlightAware user avatar

Joined: Wed Mar 01, 2006 7:00 pm
Posts: 29
dbaker wrote:
The problem is not that cfood.hou implements SMTP incorrectly, but rather than due to the high volume of mail that cfood.hou sends out, it gives up on your server during the GreetPause.

I guess we can quibble about whether that's out-of-spec SMTP :) but surely this would be a transient error and not a hard error?

Thanks for tracking this down.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Tue Jan 03, 2012 4:34 pm 
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jmhayes - FlightAware user avatar

Joined: Wed Mar 01, 2006 7:00 pm
Posts: 29
But also: I've seen a bunch of this:

Code:
Dec 28 07:38:33 sendmail[30496]: pBSFcSBo030496:
  rejecting commands from cfood.hou.flightaware.com
[216.52.171.79] due to pre-greeting traffic


Which only results when cfood starts sending before it's supposed to.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Tue Jan 03, 2012 4:37 pm 
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FlightAware Staff
dbaker - FlightAware user avatar

Joined: Mon Jul 25, 2005 12:00 am
Posts: 2149
Location: FlightAware WHQ
Yep it tries once an hour so it is just a soft failure.

I don't know how postfix (which cfood uses) works, but maybe it tries a HELO after a few seconds.


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 Post subject: Re: "Your e-mail address (XXXX@comcast.net) has a problem."
PostPosted: Fri Jan 06, 2012 8:36 am 
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NBGTowerGuy - FlightAware user avatar

Joined: Mon Feb 06, 2006 12:00 pm
Posts: 9
I've started having this problem as well and I use a netzero.net account, again the address is fine, and is correctly entered in my profile as I have been receiving the flightaware morning news letter up until Tuesday, then the banner popped up and now I am not receiving it at all.


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