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SMTP server details.

Our SMTP servers for outgoing email are as follows :-

mail.lumison.net , port 25 (when connected using a Pulsant internet connection).
avmail.lumison.net , port 25 (when connected using a Pulsant internet connection, includes virus scanning of outgoing messages).
mx1.lumison.net , port 25 (when connected using a Pulsant internet connection and sending large quantities of messages).
Note that our bulk email policy applies.
smtp-auth.lumison.net , port 25 (Authenticated SMTP, when connected using a NON Pulsant internet connection).
Note that we cannot guarantee the ability to connect to the authenticated server when connected via another service provider

Note that our servers have the following restrictions :-

Maximum of 50 recipients in a single email.
Maximum 50MB attachment size.