smtp mail question

[Al-35]

Anyone see a problem if I login into the smtp server with Username different
than the Return-Path?

It seems to work OK; but, I know from experience using the mail servers that
increasingly everything must be exactly right to prevent recipient mail servers
from rejecting emails.

So, I started using authenticated smtp exclusively.

Reason I'm asking is that I'm developing an application that will have several
pages and each one will have a different Return-Path and Reply-To.

It will make things simpler if I can login to the smtp server with just one
username/password.

Al.........

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Al wrote:
> Anyone see a problem if I login into the smtp server with Username
> different than the Return-Path?
> It seems to work OK; but, I know from experience using the mail servers
> that increasingly everything must be exactly right to prevent recipient
> mail servers from rejecting emails.

All the email servers I have worked with only care about the proper
authentication credentials and accept any valid email address for From:
Reply-to and so on. Free services, like Googlemail.com, may differ.

The receiving server on the other hand will usually do a domain
validation of the From: field to ensure that the domain exists, validate
the SPF record and do a few other anti spam tricks.

--
John

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