This document explains how to fix Outlook Cannot Connect To Your Outgoing Smtp Email Server At&t error if it is not working properly or throwing an error while installing, updating, launching/opening, performing action like sending or receiving emails, configuring emails etc.
This solutions applies for following version of Microsoft Outlook:
Microsoft Office (2013/365/2016)
Error Code Log
Avg. Time to Resolve Issue
Microsoft Outlook <version> 3.38
Also Known as:
Outlook fehler code , foutcode , fejlkode , code d’erreur , codice di errore , feil kode , cod de eroare , código de error
Faulting Application Name: Microsoft Outlook <Application name>, version: 3.6.3406.59971, time stamp: 0×98899934
Faulting module name: Outlook update.dll, version: 6.3.5408.60666
Steps to resolve Outlook Cannot Connect To Your Outgoing Smtp Email Server At&t Error Code
Step 1: Temporarily Disable Windows Firewall Setting
1. In Start Search box type Firewall.cpl
2. Click on Windows Firewall.
3. Click on “Turn Windows Firewall On or Off”
4. In Private network Setting, select “Turn off Windows firewall (not recommended)”
5. Do the same for Public Network Setting.
6. Press OK. Note: After the issue is resolved you must turn the Windows Firewall on.
Step 2:Temporarily Disable any installed 3rd Party Antivirus
Some times Antivirus/Malware/Adware programs mark Microsoft office installer files as Spam and block it from installing. Please refer your vendors website for disabling it temporarily. Once installation is done you can activate it again.
In most cases Outlook Cannot Connect To Your Outgoing Smtp Email Server At&t error should be resolved by following above steps. If however the issue still persists it means there is some critical issue with your system which needs to be fixed manually and is recommended to be done by an experienced Computer Technician.
You can chat one-on-one with one of our Outlook Support Representative 24/7 by clicking on the Chat button.