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Cellular Phone Forum / Providers / Cingular / July 2007Cingular/AT&T blocks outside mail server use
I finally got confirmation from a CSR with AT&T/Cingular that they are indeed blocking the user of outside smtp servers. Bastards. The guy said that the server I'm trying to use is "not supported", and so they "are blocking it". cwmx.com takes frelling forever for mail to get through it. I've timed it at a minimum of 30 minutes, and it's taken as long as four HOURS.  SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "If ever time should come, when vain and aspiring men shall possess the highest seats in government, our country will stand in need of its experienced patriots to prevent its ruin." - Samuel Adams > I finally got confirmation from a CSR with AT&T/Cingular that they are > indeed blocking the user of outside smtp servers. Bastards. The guy > said that the server I'm trying to use is "not supported", and so they > "are blocking it". As in you can't access your own server (or anyone else's) while using the handset or tethered or you can't use your own mail server on a tethered handset? Just curious what you're experiencing. It is alleged that DTC claimed: > > I finally got confirmation from a CSR with AT&T/Cingular that they are > > indeed blocking the user of outside smtp servers. Bastards. The guy [quoted text clipped - 4 lines] > handset or tethered or you can't use your own mail server on a tethered > handset? Just curious what you're experiencing. As in I cannot use "my" own server from the handset. I have not tethered to anything as of yet. And I don't think tethering or not tethering would make any difference here. The cellular network is blocking the connection to the outside server. I'm trying to find out from my email provider if I can use an alternate port. SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "This will teach you to... trifle with a Centauri! You triple damned... do you know that you are smaller than I thought you were... you are smaller. There are more of you... THERE ARE MORE OF YOU!!!" (Amb. Mollari to the dead bug, B5 "Sic Transit Vir") > It is alleged that DTC claimed: > [quoted text clipped - 10 lines] > tethering would make any difference here. The cellular network is > blocking the connection to the outside server. Ok, as I understand it...you are trying to use your handset to check your email. Have you tried other email servers? True, handset or tethered would be a moot point. > I'm trying to find out from my email provider if I can use an alternate > port. It is alleged that DTC claimed: > > As in I cannot use "my" own server from the handset. I have not > > tethered to anything as of yet. And I don't think tethering or not [quoted text clipped - 4 lines] > email. Have you tried other email servers? True, handset or tethered would > be a moot point. From my handset, I have access to two SMTP servers: cwmx.com which is unacceptably slow and "my" server at my mail/domain host which AT&T is blocking. SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "My girlfriend always laughs during sex -- no matter what she's reading." -Steve Jobs (Founder: Apple Computers) > From my handset, I have access to two SMTP servers: cwmx.com which is > unacceptably slow and "my" server at my mail/domain host which AT&T is > blocking. Come join us at T-Mobile, Jeffrey! T-Mo allows access to any e-mail server. To be fair to AT&T, T-Mo has a weird setup if you want to use their servers (for those e-mail providers that block SMTP access originating outside their own network.) Unlike an "open" SMTP server like cwmx.com, you have to register up to five specific e-mail address on their website that you can then use the T-Mobile SMTP server with. (This wouldn't apply to you, most likely, since you want to use your own anyway.) They issue you a new username (your phone number followed by :1, :2, etc. up to :5 for the five e-mail accounts) which you use with your existing SMTP password. -- Todd Allcock "I don't need my cell phone to play video games or take pictures or double as a Walkie-Talkie; I just need it to work. Thanks for all the bells and whistles, but I could communicate better with ACTUAL bells and whistles." -Bill Maher 9/25/2003 > It is alleged that DTC claimed: > [quoted text clipped - 9 lines] > unacceptably slow and "my" server at my mail/domain host which AT&T is > blocking. Interesting. Did CS say it was a blocking model across the broad or unique to you. Keep us posted on what you find out. It is alleged that DTC claimed: > > From my handset, I have access to two SMTP servers: cwmx.com which is > > unacceptably slow and "my" server at my mail/domain host which AT&T is > > blocking. > > Interesting. Did CS say it was a blocking model across the broad or unique > to you. Keep us posted on what you find out. "That server is not supported. Use cwmx.com port 25 instead." SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "God. And I thought +I+ was depressing!" (Cmdr. Ivanova, B5 "The Summoning") > It is alleged that DTC claimed: > .......... > From my handset, I have access to two SMTP servers: cwmx.com which is > unacceptably slow and "my" server at my mail/domain host which AT&T is > blocking. I think Hotmail is one of several email accounts that supports 'aggregating'. A free Hotmail account should be able to collect emails from multiple accounts then present them as online accessible. You didn't mention what device you are using. I use WebEx to access my home PC from a 8525 with an external monitor. I haven't tested the Blackjack. It is alleged that Thurman claimed: > I think Hotmail is one of several email accounts that supports > 'aggregating'. A free Hotmail account should be able to collect emails from > multiple accounts then present them as online accessible. Not the problem. I've specified OUTGOING mail as the problem, several times. SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "If I am ever the Hero top 100 list: #89. People who whine about not being trusted are either (a.) Operatives for the Evil Overlord; (b.) Mind-controlled by the Evil Overlord; (c.) Totally clueless about concepts like OPSEC and need-to-know; or (d.) Dangerously neurotic and/or immature; and are consequently not to be trusted. > I finally got confirmation from a CSR with AT&T/Cingular that they are > indeed blocking the user of outside smtp servers. Bastards. The guy > said that the server I'm trying to use is "not supported", and so they > "are blocking it". It's not unheard of for ISPs in general to block outbound port 25 access, or to redirect it so that it goes to their own servers. It's an anti-spam measure. See if port 587 will do you any good. Signature"Liberals used to be the ones who argued that sending U.S. troops abroad was a small price to pay to stop genocide; now they argue that genocide is a small price to pay to bring U.S. troops home." -- Jonah Goldberg It is alleged that clifto claimed: > > I finally got confirmation from a CSR with AT&T/Cingular that they are > > indeed blocking the user of outside smtp servers. Bastards. The guy [quoted text clipped - 4 lines] > or to redirect it so that it goes to their own servers. It's an anti-spam > measure. See if port 587 will do you any good. Nope, doesn't work either. They seem to be blocking by name. Or probably more accurately, not-blocking those that they do "support". I just remembered I have a Gmail account. And... yes, Gmail is one of the pre-defined systems in the built-in mail client. So... will it work if I use Gmail's smtp? Yep, that works. Not ideal, but better. SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "Timov, Timov. Why do you always try to draw me into your little verbal fencing matches?" "Because I don't have a real sword handy." (Daggair and Timov, B5 "Soul Mates") > I finally got confirmation from a CSR with AT&T/Cingular that they are > indeed blocking the user of outside smtp servers. Bastards. The guy > said that the server I'm trying to use is "not supported", and so they > "are blocking it". It works for me. I'm using a V557 through Cingular (AT&T) MediaNet to connect to my own personal mail server with IMAP and SMTP. No problems at all. I just sent myself a test message to make sure it is working. Very highly likely this is a problem with your ISP. Most, if not all, block use of their SMTP servers by outside IP addresss. If you're lucky you can use SMTP authentication and it'll work. It is alleged that The Reverend Natural Light claimed: > It works for me. I'm using a V557 through Cingular (AT&T) MediaNet to > connect to my own personal mail server with IMAP and SMTP. No [quoted text clipped - 4 lines] > block use of their SMTP servers by outside IP addresss. If you're > lucky you can use SMTP authentication and it'll work. It's a host, not an ISP. It works fine from my desktop. I've checked with the host and they're not blocking anything. And the AT&T rep has confirmed that +they+ are the ones blocking it. All as I previously stated. SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "The smaller the mind the greater the conceit. Aesop > It's a host, not an ISP. ?? >It works fine from my desktop. I've checked > with the host and they're not blocking anything. Are you connecting to a web mail service from your desktop or an SMTP server with an email client on your desktop? > And the AT&T rep has > confirmed that +they+ are the ones blocking it. Except that they're not blocking anything. It works for me right now. No problems. No blocked ports. On the other hand, I would *not* be able to connect to a Comcast SMTP server with my phone even though I'm a Comcast customer because they block external IPs. But I own my own mail server. It is alleged that The Reverend Natural Light claimed: > > It's a host, not an ISP. > ?? They are not my ISP, they do not provide my connectivity. They provide my web, mail, and domain hosting. > >It works fine from my desktop. I've checked > > with the host and they're not blocking anything. > Are you connecting to a web mail service from your desktop or an SMTP > server with an email client on your desktop? SMTP. The only way to fly. > > And the AT&T rep has > > confirmed that +they+ are the ones blocking it. [quoted text clipped - 4 lines] > server with my phone even though I'm a Comcast customer because they > block external IPs. But I own my own mail server. Since the server I'm trying to use is NOT provided by an ISP, rather by a hosting service, the only way to access it is via an external IP. This server is not being blocked at the host end. Other users have confirmed that they can use it over their cellular connections. And as I've stated in my OP, an AT&T rep has confirmed/admitted that they are the ones doing the blocking. SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "The accumulation of all powers, legislative, executive, and judiciary, in the same hands, whether of one, a few, or many, may justly be pronounced the very definition of tyranny." - James Madison, The Federalist Papers > Since the server I'm trying to use is NOT provided by an ISP, rather by > a hosting service, the only way to access it is via an external IP. > This server is not being blocked at the host end. Other users have > confirmed that they can use it over their cellular connections. And as > I've stated in my OP, an AT&T rep has confirmed/admitted that they are > the ones doing the blocking. Well, I'm successfully doing the same thing you're trying to do. It is alleged that The Reverend Natural Light claimed: > > Since the server I'm trying to use is NOT provided by an ISP, rather by > > a hosting service, the only way to access it is via an external IP. [quoted text clipped - 4 lines] > > Well, I'm successfully doing the same thing you're trying to do. I doubt you're using the same server I'm trying to use. I've avoided naming it until now because it's not a publicly available server, it belongs to the hosting company Pair. SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "The accumulation of all powers, legislative, executive, and judiciary, in the same hands, whether of one, a few, or many, may justly be pronounced the very definition of tyranny." - James Madison, The Federalist Papers > Since the server I'm trying to use is NOT provided by an ISP, rather by > a hosting service, the only way to access it is via an external IP. > This server is not being blocked at the host end. Other users have > confirmed that they can use it over their cellular connections. And as > I've stated in my OP, an AT&T rep has confirmed/admitted that they are > the ones doing the blocking. Have they told you WHY? Silly question, but could it be some kind of DNS problem? Can you get the numeric IP address of your host's SMTP server and try that? (I'm probably grasping at straws here, but IIRC, I had an intermittent problem connecting to a POP/SMTP server over Cingular TDMA about a decade ago and using the numeric address fixed it.) -- "I don't need my cell phone to play video games or take pictures or double as a Walkie-Talkie; I just need it to work. Thanks for all the bells and whistles, but I could communicate better with ACTUAL bells and whistles." -Bill Maher 9/25/2003 It is alleged that Todd Allcock claimed: > > I've stated in my OP, an AT&T rep has confirmed/admitted that they are > > the ones doing the blocking. > Have they told you WHY? The only explanation I was able to get is that it's blocked because "it's not supported". > Silly question, but could it be some kind of DNS problem? Can you get > the numeric IP address of your host's SMTP server and try that? Silly ME for not thinking of that! Only problem with that is that the +name+ of the server is a load balancer, and I have no clue what it's IP is. I can easily find out what the IP of some of the servers behind it are, though. And using one of those works. But for some reason, it's giving a "go ahead" response when using SSL that the mail client is interpreting as an error, a problem that does not happen if I turn off SSL. But, since SSL is not required, and all I really need that for anyway is to encrypt my login data, which is not used for SMTP, I'm OK with not using SSL for outbound email. SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "The accumulation of all powers, legislative, executive, and judiciary, in the same hands, whether of one, a few, or many, may justly be pronounced the very definition of tyranny." - James Madison, The Federalist Papers > But, since SSL is not required, and all I really need that for anyway > is to encrypt my login data, which is not used for SMTP, I'm OK with > not using SSL for outbound email. ...then I guess we won't be seeing you over at T-Mobile, huh? ;-) Glad it worked out, even if it required a little kludging! -- "I don't need my cell phone to play video games or take pictures or double as a Walkie-Talkie; I just need it to work. Thanks for all the bells and whistles, but I could communicate better with ACTUAL bells and whistles." -Bill Maher 9/25/2003 It is alleged that Todd Allcock claimed: > > But, since SSL is not required, and all I really need that for anyway > > is to encrypt my login data, which is not used for SMTP, I'm OK with > > not using SSL for outbound email. > ...then I guess we won't be seeing you over at T-Mobile, huh? ;-) Nope. T-Mobile initially lost me as a potential customer a bit over two years ago when they dropped the Treo from their phone lineup. Then again this past June (when my Cingular contract expired) when I found out that T-Mob will silently extend by two years, not merely renew, your contract if you make any changes to your service plan. > Glad it worked out, even if it required a little kludging! I may go back to using the Gmail server, I haven't decided yet. It'll depend on how often I want to simply send an email without first checking for mail (my "preferred" server uses pop-before-smtp authentication and my mail client doesn't support that, so I have to manually check for mail first). SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol Peter's Top 100 Things I'd Do If I Ever Became An Evil Overlord, #106. If my supreme command center comes under attack, I will immediately flee to safety in my prepared escape pod and direct the defenses from there. I will not wait until the troops break into my inner sanctum to attempt this. > It is alleged that Todd Allcock claimed: > [quoted text clipped - 5 lines] > authentication and my mail client doesn't support that, so I have to > manually check for mail first). I use Gmail for SMTP on my iPhone for all email accounts. One issue is that in Outlook messages are shown as being sent from my Gmail address "On behalf of" my actual return address. OK for personal email but might seem odd for business, depending upond the Gmail address. Went with Gmail's SMTP since at&t does indeed seem to block my (hosted) SMTP server and cwmx.com won't work when I am using WiFi (not that I'd always have smooth sailing with my hosted SMTP server either, when using WiFi). SignatureMike > The only explanation I was able to get is that it's blocked because > "it's not supported". Standard answer from level 1 tech support. > I can easily find out what the IP of some of the servers behind > it are, though. And using one of those works. Then use it. The default DNS servers are slow. > But for some reason, > it's giving a "go ahead" response when using SSL that the mail client > is interpreting as an error, a problem that does not happen if I turn > off SSL. Sounds like a client side problem. It is alleged that The Reverend Natural Light claimed: > > But for some reason, > > it's giving a "go ahead" response when using SSL that the mail client > > is interpreting as an error, a problem that does not happen if I turn > > off SSL. > Sounds like a client side problem. Probably. I'm using what is generally regarded as the worst email client in existence for my phone, but it was free and +in general+, I don't use email on it often enough to justify the cost of buying something better. SignatureJeffrey Kaplan www.gordol.org The from userid is killfiled Send personal mail to gordol "If he's- the inferences is that somehow he thinks slavery is a- is a noble institution- I would- I would strongly reject that assumption. That John Ashcroft is am open minded, inclusive person." - George W. Bush, Jan 15, 2001 >> I finally got confirmation from a CSR with AT&T/Cingular that they are >> indeed blocking the user of outside smtp servers. Bastards. The guy [quoted text clipped - 9 lines] > block use of their SMTP servers by outside IP addresss. If you're > lucky you can use SMTP authentication and it'll work. I it working for you at home are through the EDGE network. When I am home and connected to my WIFI connection it works fine. When I am away from home and using Cingular's network to access my home email (Bellsouth) I can't send anything. When you say it works for you are you saying that when you are on the EDGE network, and access your home email you can send and receive? On Jul 27, 3:57 pm, "William Michael Greene" <wgreen...@yahoo.com> wrote: > I it working for you at home are through the EDGE network. When I am home > and connected to my WIFI connection it works fine. When I am away from home > and using Cingular's network to access my home email (Bellsouth) I can't > send anything. When you're on your WIFI you're connecting to a Bellsouth server with a Bellsouth IP address. When you're on EDGE, you're connecting to a Bellsouth server with an AT&T IP address. It's a shame that they allow by subnet instead of using username/ password authentication. Very common, though. |
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