OTRS – configure smtp to add a custom sendgrid header

emailotrssendgridsendmailsmtp

I'd like to be able to configure OTRS ticket system to send email through sendgrid but I also want to add some configuration parameters through the X-SMTPAPI sendgrid header.

There's no obvious config setting I can see that would allow me to add a header to sent email through smtp in OTRS.

Any idea how I could do this?

A couple of notes of importance:

The server itself uses qmail, but I can't configure the entire local server to go through sendgrid because it runs some other services that shouldn't go through sendgrid
I'd like to avoid as much as possible changing the OTRS source files if possible because a) i don't know perl that well and b) that's asking for trouble

Best Answer

If you have a working sendmail installation, you can add the SMART_HOST parameter to relay all mail to sendgrid.

See this SendGrid documentation for details.

Related Solutions

Azure – Can an email server be set-up on an Azure VM

No.

You can't be reasonably sure your outgoing email will be delivered, as many destinations simply blacklist, firewall, or even null route all major cloud providers' IP blocks due to the heavy abuse seen from those ranges - not just from email but via other services as well.

And even if your mail is delivered today, that's no guarantee it will continue to be delivered in future.

You really do need a mail server outside of Azure (or EC2 or whatever) to process your outgoing mail, though it does not necessarily need to be a third party mail server. If you have the expertise, you could do it yourself.

When I put a service on EC2 which had to deliver to a mailing list, I found from testing that almost 3/4 of the list addresses would not accept mail from there. I ended up sending everything to a smarthost located outside EC2. Interestingly, this also improved performance...

Having incoming mail on Azure would be no problem, as the above issues don't apply.

Postfix – How to Add Custom Header with Relayed Domain

Perhaps, you can use check_recipient_access from postfix.

smtpd_recipient_restriction = ... 
                      ... 
                      check_recipient_access pcre:/etc/postfix/addheader
                      ...

File /etc/postfix/addheader has content like this

/.+@(.+)/  PREPEND X-Relay-Domain: $1

In access table, PREPEND action will add header in your email. In this case, this map will add domain parts of your recipient.

Best Answer

Related Solutions

Azure – Can an email server be set-up on an Azure VM

Postfix – How to Add Custom Header with Relayed Domain

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