The sender-rewriting tag has no wiki summary.
2
votes
1answer
58 views
postfix change to address based on sending host
We have one central postfix mailserver and some more application servers behind whereas those servers relaying the mails trough the central mailserver. now i want to configure the central one to ...
1
vote
1answer
237 views
Postfix rewrite sender: why doesn't this work
I have server A with an IP address only and a dummy FQDN (on the basis all machines should have a FQDN): pants.net.invalid. All mail is relayed through another server elsewhere, which works fine.
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4
votes
3answers
3k views
SRS / Sender Rewriting when forwarding mail through postfix
Is there any way to perform SRS, or something similar using Postfix?
When I get a mail from user@example.org, I forward it (via a catchall) to something@gmail.com, but GMail is checking SPF, and ...
2
votes
1answer
49 views
Understanding the many “FROM” addresses that apply to SenderID, DKIM, and SPF
Can someone tell me when and why a client, MTA relay, Unix .Forward, anonymous relay, or listserver will create, or alter these headers:
Resent-Sender:
Resent-From:
Sender:
From:
If you can please ...
1
vote
0answers
495 views
Rewriting sender address based on the recipient
I'm trying to set up my postfix server to alter the sender address of outgoing e-mails for one specific recipient domain (example.com) -- otherwise I'd just configure smtp_generic_maps in main.cf and ...
2
votes
1answer
964 views
Forward Mails to Gmail
I have a postfix mailserver running. Mails sent from users to Gmail are showing up in Gmail, so it works in general. Same for all other freemail hosts I know.
The problem is that some users have no ...
1
vote
1answer
445 views
Forcing a sender name on outgoing mail
I'm attempting to implement a consistent standard across my company's email accounts as the business grows and we also become involved with other market sectors (for which we have alternative accounts ...
0
votes
2answers
462 views
What does SMTP 'designate' term mean?
I received a gmail from the address of a friend who is long out of contact.
It is possible to use a utility/service such as mail2web.com to define a sender email that differs from the true sender ...
0
votes
3answers
337 views
Is there a way to set up an SMTP relay that allows users of a web app to have the web app send emails with their own email address as senders?
the web service sends out emails on behalf of the users to their customers.
So john@domainA.com uses webservice and webservice sends emails .
The emails should be appearing as coming from ...
