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-   -   Accidently deleted some aliases (http://www.emaildiscussions.com/showthread.php?t=74387)

sync00 13 May 2019 04:47 AM

Accidently deleted some aliases
 
I deleted some aliases thinking I was deleting identities. Is there any way to recover them? I only remember the last one I deleted.

n5bb 13 May 2019 06:24 AM

The only think a user can do directly is an account restore. This restores deleted folders and email messages, but does not restore any of our settings (such as Aliases or Identities).

Adding an alias normally creates an associated Identity. Deleting an alias normally removes the associated Identity. So if you deleted several aliases, those identities should also be now missing. Other people can now capture control of those aliases, so you need to act quickly.

If this happened recently (the past week or so), I think that Fastmail support staff can probably help you. File a support request at:
https://www.fastmail.com/support/

Bill

sync00 14 May 2019 11:08 AM

FM couldn't do anything about it.

BritTim 14 May 2019 01:38 PM

It looks as though your next move is to try to make a list of all the aliases you have used. I believe this is possible through clever incremental use of Advanced Search. You want a list of all the distinct X-Resolved-to headers I am short of time, but the basic approach I suggest is:
  1. Start by looking at the raw message of any email, noting the X-Resolved-to header's value
  2. Do an advanced search that excludes all messages with the known X-Resolved-to header.
  3. Examine the raw message of any email in the list and note the second X-Resolved-to header
  4. Amend the search to exclude messages with both the known X-Resolved-to headers
  5. and so on ...

Terry 14 May 2019 03:34 PM

Go to your identities if its not to late, the list will be in there.

n5bb 14 May 2019 10:38 PM

You can’t rely on an identity to exist after you remove an alias
 
Quote:

Originally Posted by Terry (Post 610131)
Go to your identities if its not to late, the list will be in there.

I don’t understand this claim - why do you think it’s true? When you delete an alias, the associated identity is immediately deleted automatically.

Try this yourself - create a new alias and an identity is automatically created. Delete the alias and that identity is automatically instantly removed.

Bill

n5bb 14 May 2019 10:58 PM

Use search for X-Delivered-To header
 
Quote:

Originally Posted by BritTim (Post 610130)
It looks as though your next move is to try to make a list of all the aliases you have used. I believe this is possible through clever incremental use of Advanced Search. You want a list of all the distinct X-Resolved-to headers...

The idea is good but that’s the wrong header. You need to use X-Delivered-To to discover the address used to deliver a message to the Fastmail incoming SMTP server. The X-Resolved-to header shows the target address of the alias, so it hides the actual alias address.

Bill

sync00 14 May 2019 11:58 PM

Thanks for the suggestions.

90% of my aliases are receive only and I've deleted the identities for them. I guess that's irrelevant though if they get deleted when you delete the alias.

I'll try the idea for making a list of used aliases.

sync00 15 May 2019 12:11 AM

Quote:

Originally Posted by n5bb (Post 610134)
You need to use X-Delivered-To to discover the address

I'm finding the alias in the email. Is it common to have to go into the raw message to get the alias?

sync00 15 May 2019 12:22 AM

ignore-----

sync00 15 May 2019 02:42 AM

I have a lot of aliases. I reached a point where the search result was "No Results Found" when it should have found lots of results. I assume I exceeded the maximum search size.

sync00 15 May 2019 03:37 AM

I figured out how to narrow down my search for which aliases might have been deleted. I found one of them.

Most of my aliases are only used once and I don't care if they get deleted. So the other deleted aliases probably aren't important. I have my own domain so I can always create them again if I discover one that I want to resurrect.

BritTim 15 May 2019 05:13 AM

Quote:

Originally Posted by sync00 (Post 610139)
II have my own domain so I can always create them again if I discover one that I want to resurrect.

Deleted aliases in your own domain are much less of a problem than when they are in one of FastMail's domains. You can avoid lost email just by having a catch all alias (albeit at a cost of receiving some spam sometimes).

Terry 15 May 2019 09:19 AM

Quote:

Originally Posted by n5bb (Post 610133)
I don’t understand this claim - why do you think it’s true? When you delete an alias, the associated identity is immediately deleted automatically.

Try this yourself - create a new alias and an identity is automatically created. Delete the alias and that identity is automatically instantly removed.

Bill

Oh Ok, I had an alias which I deleted and the identity stayed there but it was a couple of years ok, I will try now and see what happens.

Yes they get deleted now.....sigh

I once had [email protected] but it got spammed badly so I deleted the alias BUT the identity stayed there for a few months until I deleted it, but in saying that is was a few years ago.

n5bb 15 May 2019 10:03 AM

Quote:

Originally Posted by Terry (Post 610142)
...I once had [email protected] but it got spammed badly so I deleted the alias BUT the identity stayed there for a few months until I deleted it, but in saying that is was a few years ago.

Yes, Terry — I wasn’t sure, so I tested this before I made my first post about the topic. Fastmail has been cleaning up and simplifying things the last couple of years, and they probably changed this behavior many months ago. The email search feature is much faster now and you can quickly search across all folders on a large account without locking it up due to server overload. The calendar search feature is awesome! I can now easily go backwards and see the previous times I did something.

Bill

n5bb 15 May 2019 10:33 AM

Use subdomain if you get random alias spam
 
Quote:

Originally Posted by BritTim (Post 610141)
Deleted aliases in your own domain are much less of a problem than when they are in one of FastMail's domains. You can avoid lost email just by having a catch all alias (albeit at a cost of receiving some spam sometimes).

I don’t notice very many random alias spam messages to my personal domain these days, probably because Fastmail is blocking more messages at the SMTP acceptance stage. So a few months ago I re-enabled my own domain wildcard alias, and very rarely see any dictionary spam to my domain. Since I allow messages sent to any alias at my domain, a true dictionary spammer trying random or commonly used aliases would be obvious, and they might not be caught at the SMTP stage since they aren’t sending to non-existing addresses in an obvious manner.

If you want to disable the wildcard alias so that dictionary random attacks fail, here is what you can do:
  • Create an alias which is unusual so won’t be found by a random attack.
  • Choose to allow subdomain messages near the bottom of the Domains page. I use the first choice, which delivers messages sent to a subdomain to that alias. So messages sent to [email protected] are by default delivered to [email protected]
  • You then have an additional choice on the Aliases page of the delivery target for the [email protected] alias.
    • If the delivery target of the alias corresponding to the subdomain (“sub” in my example) is directly to your Fastmail account ([email protected]), the subdomain name is ignored and the final delivery to a folder (shown by the X-Resolved-To header) will be to [email protected], which attempts to deliver the message to your “test” folder.
    • If the delivery target for the alias corresponding to the subdomain (“sub” in my example) includes +* (plus asterisk), the subdomain name is used for the top-level folder target and the final delivery to a folder (shown by the X-Resolved-To header) will be to [email protected], which attempts to deliver the message to the “test” subfolder of your “sub” folder. I find this very useful, since all of the messages sent to that subdomain end up in the folder corresponding to that subdomain name (or a subfolder),
Bill


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