Have you received a suspicious text message? Learn more

Official

Accepted

Unanswered

Advanced Filters

Search Results (37)

Relevance
Need Port 25 unblocked.

Had the same problem a year ago, all of a sudden port 25 got blocked and I couldn't sent outgoing mail via the U-verse connection. Modem/router NVG510 is set to pass SMTP Port 25, so the problem is not there, just as it wasn't a year ago. A year ago a lower tier tech support agent resolved it on the

Questions

 • AT&T Internet Features

558

6

0

0

I need port 25 unblocked for an email server

I have some posts suggesting that I pay for some extended support to get port 25 unblocked; that is ludicrous, I already pay for static netblock, I will not pay extra to use my static netblock the it *should work anyways*. How do I get port 25 opened up? Thanks.

Questions

 • AT&T Internet Features

102

3

0

0

SMTP blocked

Hi- After getting U-Verse, all my email accounts worked fine (I have several providers, like Fatcow, GoDaddy, Rackspace, Gmail).... both sending and receiving. Then sudently the sending via the GoDaddy SMTP server stopped working. Downloading OK. Reading the forums I see that ATT could be blocking o

Questions

 • AT&T Internet Email & Security

285

4

0

0

Closed

Hosting personal email server

I am trying to understand the issues and such when hosting websites and/or email services.  I have had web site hosting working for a couple years, but just recently have attempted to setup email hosting.  I have it working to send email and access the email via smartphone and web.  I cannot get rec

Questions

 • AT&T Internet Features

689

2

0

SMTP TCP/IP Port 25 Outbound

Hello,I am a small buisness and have recently switched my modem using the following email.(https://equipmentupgrade.att.com/emails/followup1.html)Since I switched them all my ports have been undone and set to default. I need the TCP/IP port 25 unblock as it is by default on AT&T Modems. Can someone

Questions

 • AT&T Internet Features

401

1

0

0

Port 25 exception

I need port 25 unblocked on my account.  I run a postfix server for my personal domain and I need to have it unblocked. Who can I contact?

Questions

 • AT&T Fiber Account

248

0

0

0

How do we get this port unblocked?

Installation Address: [edited for privacy – please do not post personal information] 104.10.16.80/29   need port 25 OUTBOUND mail port unblocked.   104.10.16.83/29 is attempting to send mail OUT from clients residing at above address.   Port 25 is timing out rather than sendin

Questions

 • AT&T Internet Email & Security

297

2

0

0

What are the "xxx@pacbell.net" email settings?

Hi, Is AT&T managing the mail servers relevant to @pacbell.net ?I cannot send mail out of this account, what is the smtp setting for such accounts?Thanks,

Questions

 • AT&T Internet Email & Security

3.6K

4

0

5268ac Firewall Configuration is not working

I've got the 5 usable statics. I use a linux server to act as my router.  The linux server is also a web and mail server plus some other services.   I've configured the 5268ac to put the linux server in dmzplus mode so it should be open in and out.  Everything has been working but

Questions

 • AT&T Internet Equipment

453

3

0

0

SMTP outbound mail relay

Does the AT&T Fixed Wireless Business service provide an outbound SMTP mail relay? What is the FQDN for that server and which protocol(s) does it support? Which credentials do I use to authenticate?

Questions

 • AT&T Internet Email & Security

1.6K

3

0

0

Setup scan to email - SMTP settings

Primary SMTP Gateway:   outbound.att.netPrimary SMTP Gateway Port:   465SMTP Timeout:   30Reply Address:   ***@att.netUse SSL/TLS:   RequiredDevice Userid:   ***@att.netDevice password:  **** These are the settings I am using and it is failing.  I am sending from a Lexmark copier trying to scan to e

Questions

 • AT&T Internet Account

1.7K

5

0

0

Using Thunderbird with OAuth2

The instructions to set up Thunderbird to access att.net email insist that one needs a "secure email key". Apparently Thunderbird acquired the ability to use OAuth2 quite some time ago. I recommend updating the setup instructions here to show how to use that. Here's how it's done to access Gmail: ht

Questions

 • AT&T Internet Email & Security

5.7K

6

0

Port 25 blocked on Gigapower?

Good evening, Does AT&T block outgoing port 25?  I just had my Gigapower installed today, but outgoing email does not work.  It's coming in fine, however. Thanks

Questions

 • AT&T Fiber Installation

1.2K

4

0

0

U-verse blocking port 25 outbound - and doesn't want to unblock it for residential customers

Hello, I've been a customer of AT&T on U-verse service a long time but recently after my contract renewal the sales person told me that they had to change my equipment - I was suprised but I let them do it. Today when the tech showed up he was suprised to see my old equipment in place and told me th

Questions

 • AT&T Internet Features

660

5

0

0

Cannot send mail from Mac Mail with sbcglobal account

I have an sbcglobal.net account, using a Mac with Mac Mail to send mail.  Suddenly it won't.According to Mail Connection Doctor, everything is logged in successfully on POP and SMTP servers without issues.  But when I try and send something, it fails.  I get the following error (personal info redact

Questions

 • AT&T Internet Email & Security

816

5

0

0

The connection to host on port 465 failed.

I am suddenly getting no outgoing mail on my Mac Mail application through my domain account.  The error message is "The connection to host (**Domain Mail Server**) on port 465 failed."  My domain host service provider went through all SMTP servers and ports that should work and have worked in the pa

Questions

 • AT&T Internet Installation

573

3

0

0

Bellsouth.net Email - Sign-in Help, Questions, and Answers

Troubleshooting Bellsouth & SBCGlobal Email Addresses Announcement   AT&T is making your email experience more secure. A part of this change is a prompt requesting you re-enter your password which may affect your ability to sign-in to your email, especially if you cannot remember

Questions

 • AT&T Internet Email & Security

389.7K

105

Port 25

I need to have port 25 unblocked so I can host email for my small business. Is that at all possible?

Questions

 • AT&T Internet Email & Security

273

1

0

0

Delay receiving inbound SMS messages from text.att.net, but no delay using cingularme.com

Salutations, My company uses a program that sends SMS messages to personal cell phones using an SMTP relay, and recently I've been having a delay in messages that are being sent to my phone when they are using the SMTP settings for @text.att.net but are having no delay when going through the Cingula

Questions

 • Data & Messaging Features, Internet Tethering

554

1

0

0

Uverse Blocking Home Camera System Email?

My home camera system used to be able to send emails from my uverse network, but they are inexplicably no longer going through as of last thursday.  I was sending using port 587 using a third party SMTP server.  Now, nothing works, tried many other SMTP servers and ports (including the outgoing.att.

Questions

 • AT&T Internet Features

275

2

0

0

Not finding what you're looking for?
New to the AT&T Community? Start by visiting the Community How-To.
New to the AT&T Community?
Visit the Community How-To.