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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 Security

957

5

0

0

Unblock port 25

I just setup an exchange server for my customer that is utilizing the business at&t uverse.Unfortunately uverse is blocking port 25 outbound.  Can uverse unblock this port for us?

Questions

 • AT&T Internet Features

555

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

438

1

0

0

Help!!!!!!!! to unblock SMTP (Port 25)

Hello, I'm having problem to send email from my little application since the SMTP port is blocked to outband e-mails. Please @ATTU-verseCare help me with this request asap, I have sent a private msg last Friday asking help. Regards, Fred

Questions

 • AT&T Internet Features

407

5

0

0

Email stopped working on my iPhone all of a sudden

Please help! All email stopped working on my iPhone. I updated to iOS 12.4, still not working. I tried deleting accounts and adding them back in, but when I try to add back in, it keeps hanging up on "verifying," and then getting the message "The IMAP server "imap.mail.att.net" is not responding." I

Questions

 • Apple

10.2K

7

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 Security

2.1K

3

0

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

511

3

0

0

Are any inbound ports blocked?

I want to run a personal web server and email server. I read some old posts that indicate that ATT&T blocks some inbound ports including ports 25 and 80.  Any truth to this? (I have a residential fiber account and 5268AC gateway).

Questions

 • AT&T Internet Features

1.9K

1

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

758

2

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

277

0

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

613

1

0

0

Unblock port 25 for small email server

Hello. I have a home office and I run MS Exchange 2010 for home/business emails. (4 users) I just recently changed my Internet access to AT&T Uverse.My server is receiving Inbound emails perfectly. OUTBOUND emails are not going out.(stuck in MS Exchange queue) I have been using this server for 16 ye

Questions

 • AT&T Internet Security

308

1

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

598

3

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 Security

4K

4

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

123

3

0

0

Netgear Nighthawk M1 IMAP/SMTP Restrictions??

We are out in the country and have rural internet via Fixed Wireless ISP. I got the Netgear Nighthawk M1 ("hotspot") as a backup because the ISP connectivity is unreliable. It is configured as IP passthrough and connected to the FailOver WAN port on my router. This works great, almost, as we never g

Questions

 • Other Phones & Devices

872

8

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 your

Questions

 • AT&T Mail Login & Security

457.1K

120

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