added support for HAProxy protocol version 2 for outbound traffic from PowerMTA disallowed TLSv1.1 by default for incoming SMTP and HTTP connections to PowerMTA since greatly improved speed of reload operation when configuration file has large number Transmissions API to submit messages to PowerMTA added support for persistent connections for inbound HTTP connections when using In RFC 8461, for enforcing secure delivery of email over encrypted connections added support for SMTP MTA Strict Transport Security (MTA-STS) mechanism, described ![]() upgraded to OpenSSL 1.1.1i, to get the latest bug fixes fixed a bug in cold VirtualMTA selection which reduced the amount of email rerouted toĪ cold virtual MTA when MX rollup patterns are also configured Of the PowerMTA process beyond which it will stop accepting incoming email added "max-memory-usage-percent" directive to configure the maximum memory consumption added support for customizing key length of DH (Diffie-Hellman) parameters used during a added "pmta show vmta-settings" command to view settings of a particular VirtualMTA added support for DKIM signing DSN emails issued by PowerMTA extended "include" directive to support fetching configuration from external sources Return to normal mode after being set into backoff mode with the mode=backoff action extended "smtp-pattern-list" to allow specifying the time interval after which a queue will ![]() added support to configure click tracking and top/bottom open pixel insertions independentlyįrom each other when using engagement tracking with SparkPost Signals Let’s see what is changed since v5.0r4 release: : released build 5.0r7 Need someone to install & configure PowerMTA for you? Contact us Ĭontinuing the good & hard work by team behind PowerMTA, new v5.0r7 has been released on. PowerMTA aka PMTA is considered one of the best commercial MTA (Message Transfer Agent), currently being used by some of the known ESPs (Email Service Providers) & enterprise businesses such as MailChimp, Microsoft, IBM, etc.
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