SPF
American multinational telecommunications conglomerate Comcast, most well-known to us Internet users here in the US as the provider of cable modem-based internet service Xfinity, has announced that they’ll be sending outbound mail from subscribers via new (additional) IP addresses ranges.On the Mailop list, a representative from Comcast shared that the new IP ranges are as follows:ip4:96.103.146.48/28 ip4:96.102.19.32/28 ip4:96.102.200.0/28ip6:2001:558:fd01:2bb4::/64 ip6:2001:558:fd00:56::/64 ip6:2001:558:fd02:2446::/64These are indeed included in the comcast.net SPF record.
AMP for email is a new way of providing interactive content to your recipients. It is making a big blast by opening new possibilities for email marketers all over the world. But with new features come new challenges and threats, so it is important to understand what security measures have to be implemented before diving into the AMP for email. What is AMP for Email? AMP stands for Accelerated Mobile Pages, originally created in 2015 to improve the speed of web pages on mobile devices. Unlike AMP for the web, the email version is not about speed. AMP for email brings new features to classic marketing emails, making them more interactive and dynamic, providing real-time content, and the possibility to perform more actions than clicking through. Today, this all is pretty new, and AMP for email is supported only by Gmail, Mail.ru, and Yahoo! But the tendency is catching on,…
Help! I’m getting mail from MAILER-DAEMON@(various domains) with subject lines like: Delivery Status Notification (Failure), failure notice, Mail delivery failed: returning message to sender, Message Delivery Failure – Mail Delivery System, **Message you sent was blocked by our bulk email filter**, Recapito fallito, Returned mail: see transcript for details, Undelivered Mail Returned to Sender. These all seem to be bounces back from mail I didn’t send. What is happening and how do I make it stop?