smtpRelay

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smtpRelay

small SMTP relay

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example config.ini

# Db for queue emails
QueueDbDialect = "mssql"
QueueDbConnect = "server=127.0.0.1;user id=SmtpRelayLog;password=pa55w0rd;database=SmtpRelayLog;connection timeout=300"

# Db for log
StatusDbDialect = "mssql"
StatusDbConnect = "server=127.0.0.1;user id=SmtpRelayLog;password=pa55w0rd;database=SmtpRelayLog;connection timeout=300"

Hostname = "localhost" # hostname for HELO, if blank, then get mashine hostname

AllowIP = ["127.0.0.1", "192.168.1.20"] # allow sender IP

AllowDomains = ["dmbasis.ru"] # allow send email domain

SMTPListenAddr = ":2500" # SMTP server listen on (example: "127.0.0.1:2500")

SendStream = 10
ResendStream = 2

MaxRepeatSend = 2
RepeatIntervalMinutes = 5

Debug = false

execute with default config file ./config ini

./smtpRelay

or change config file path

./smtpRelay -c /path/to/youconfig.ini

For run as service in Windows use NSSM

in log database create table "statuses" structure

id	queued_at	sending_at	from	rcpt	message_type	message_id	status

message_type is string from "X-Postmaster-Msgtype" header

message_id is string from "Message-Id" header

in queue database create table "queues" structure

id	created_at	updated_at	message_type	message_id	from	from_hostname	rcpt	rcpt_hostname	data	repeat	later_status