MailChannels sends from a large number of IP addresses and the list of IP addresses from which we send changes from time to time. Fortunately, the list is always available in our SPF records and you can look up the list easily with online...
Overview The terms SSL, TLS, and STARTTLS are often used in relation to securing a connection, but not everyone knows what these mean. This article should help provide some basic information about each term. SSL SSL stands for “Secure S...
If you’re receiving this error, it means we have detected abuse originating from your email account. The 550 5.7.1 [SS] error indicates that the subject line in this/these message(s) contained one or multiple spam-like keywords commonly u...
Overview All spam filtering systems make mistakes from time to time. When a spam message is delivered instead of being blocked, this is described as a false negative. A false positive is the reverse — when the system blocks a legitimate m...
MailChannels is our SMTP relay, which relays all outbound messages through an external SPAM filter. In the cases where a message is rejected / bounced, you would receive a bounce message back to the sender mailbox. MailChannels Insights...
All of our mail is routed through a premium delivery service called ‘MailChannels’. As such, the SPF records need to indicate this to ensure accurate delivery. Correct Sender Policy Framework (SPF) records need to be configured in your DN...
The Short Answer MailChannels Outbound Filtering is an SMTP relay service that identifies spammers within your network to improve your email reputation and ensure reliable email delivery for your users. With MailChannels Outbound Filteri...
