AT&T and Yahoo are offering a co-branded broadband service. These are the Yahoo-AT&T MaxBulk Mailer settings:
SMTP server access
SMTP Host
smtp.att.yahoo.com
Connections
1
Authentication
Authentication
ESMTP | Login
Account ID
<your_AT&T-Yahoo_Username_here>
Password
<your_AT&T-Yahoo_password>
Delivery
Delivery
Singly
Group mails
50
Interval
00:01
Sender information
From
<your_email_address_here>
Name
<your_display_name_here>
Note that AT&T-Yahoo! has a delivery limit of 1,000 messages per day and 50 messages per session. Some users have had problems at 950 message per day and more than 25 messages per session though. You can also set security to SSL v2 (pull down menu next to the SMTP host address field). In such case set the authentication to PLAIN rather than LOGIN (pull down menu next to Authentication).
As a precautionary measure to stop spam, many ISPs are no longer allowing outbound traffic on port 25. As a result, your ISP may have blocked port 25 on your account. Port 25 is the standard TCP port used to send e-mail via the SMTP protocol. Hopefully most SMTP servers offer their services through several ports. So, if MaxBulk Mailer can't connect to your server through default port 25 try to use port 587 or 2525.
Important: Usually the Yahoo SMTP server is deactivated by default until you verify your Yahoo-AT&T email address. If the 'LOGIN' authentication scheme gives problems try 'PLAIN' from the second pull-down menu next to 'Authentication'.
MaxBulk Mailer is a full-featured and easy-to-use bulk mailer and mail-merge software for macOS and Windows that allows you to send out customized press releases, prices lists, newsletters and any kind of text or HTML documents to your customers or contacts.
MaxBulk Mailer is fast, fully customizable and very easy to use. MaxBulk Mailer handles plain text, HTML and rich text documents and gives full support for attachments. With MaxBulk Mailer you will create, manage and send your own powerful, personalized marketing message to your customers and potential customers.
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MaxBulk Mailer is a software tool that you purchase once, no need to pay on a per-email basis to submission services!
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