log in with full email addr instead of username

documentation changes

README.md

@@ -1,6 +1,6 @@
 # Email server setup script
 
-I wrote this script during the gruelling process of installing and setting up
+I wrote this script during the grueling process of installing and setting up
 an email server.  It perfectly reproduces my successful steps to ensure the
 same setup time and time again.
 
@@ -14,14 +14,10 @@ curl -LO lukesmith.xyz/emailwiz.sh
 When prompted by a dialog menu at the beginning, select "Internet Site", then
 give your full domain without any subdomain, i.e. `lukesmith.xyz`.
 
-Read this readme and peruse the script's comments before running it.  Expect it
-to fail and you have to do bug testing and you will be very happy when it
-actually works perfectly.
-
 ## This script installs
 
 - **Postfix** to send and receive mail.
-- **Dovecot** to get mail to your email client (mutt, Thunderbird, etc).
+- **Dovecot** to get mail to your email client (mutt, Thunderbird, etc.).
 - Config files that unique the two above securely with native log-ins.
 - **Spamassassin** to prevent spam and allow you to make custom filters.
 - **OpenDKIM** to validate you so you can send to Gmail and other big sites.
@@ -50,19 +46,19 @@ actually works perfectly.
    server: (1) an **MX record** pointing to your own main domain/IP and (2) a
    **CNAME record** for your `mail.` subdomain.
 4. **A Reverse DNS entry for your site.** Go to your VPS settings and add an
-   entry for your IPV4 Reverse DNS that goes from your IP address to
-   `<yourdomain.com>` (not mail subdomain). If you would like IPV6, you can do 
+   entry for your IPv4 Reverse DNS that goes from your IP address to
+   `<yourdomain.com>` (not mail subdomain). If you would like IPv6, you can do
    the same for that. This has been tested on Vultr, and all decent VPS hosts
-   will have a section on their instance settings page to add a reverse DNS PTR 
+   will have a section on their instance settings page to add a reverse DNS PTR
    entry.
    You can use the 'Test Email Server' or ':smtp' tool on
    [mxtoolbox](https://mxtoolbox.com/SuperTool.aspx) to test if you set up
    a reverse DNS correctly. This step is not required for everyone, but some
-   big email services like gmail will stop emails coming from mail servers
+   big email services like Gmail will stop emails coming from mail servers
    with no/invalid rDNS lookups. This means your email will fail to even
-   make it to the receipients spam folder; it will never make it to them.
+   make it to the recipients spam folder; it will never make it to them.
 5. `apt purge` all your previous (failed) attempts to install and configure a
-   mailserver. Get rid of _all_ your system settings for Postfix, Dovecot,
+   mail server. Get rid of _all_ your system settings for Postfix, Dovecot,
    OpenDKIM and everything else. This script builds off of a fresh install.
 6. Some VPS providers block port 25 (used to send mail). You may need to
    request that this port be opened to send mail successfully. Although I have
@@ -105,27 +101,23 @@ email program. For my domain, the server information will be as follows:
 - SMTP port: 587
 - IMAP server: `mail.lukesmith.xyz`
 - IMAP port: 993
-- Username `luke` (I.e. *not* `luke@lukesmith.xyz`)
-
-The last point is important. Many email systems use a full email address on
-login. Since we just simply use local PAM logins, only the user's name is used
-(this makes a difference if you're using my
-[mutt-wizard](https://github.com/lukesmithxyz/mutt-wizard), etc.).
-
-## Tweaking things
-
-You're a big boy now if you have your own mail server!
 
-You can tweak Postfix (sending mail
+In previous versions of emailwiz, you also had to log on with *only* your
+username (i.e. `luke`) rather than your whole email address (i.e.
+`luke@lukesmith.xyz`), which caused some confusion.  This is no longer the
+case.
 
 ## Benefited from this?
 
-If this script or documentation has saved you some frustration, you can donate
-to support me at [lukesmith.xyz/donate](https://lukesmith.xyz/donate.html).
+I am always glad to hear this script is still making life easy for people!  If
+this script or documentation has saved you some frustration, you can donate to
+support me at [lukesmith.xyz/donate](https://lukesmith.xyz/donate.html).
 
 ## Troubleshooting -- Can't send mail?
 
 - Always check `journalctl -xe` to see the specific problem.
+- Check with your VPS host and ask them to enable mail ports. Some providers
+  disable them by default. It shouldn't take any time.
 - Go to [this site](https://appmaildev.com/en/dkim) to test your TXT records.
   If your DKIM, SPF or DMARC tests fail you probably copied in the TXT records
   incorrectly.

emailwiz.sh

@@ -130,6 +130,7 @@ ssl_key = <$certdir/privkey.pem
 ssl_dh = </usr/share/dovecot/dh.pem
 # Plaintext login. This is safe and easy thanks to SSL.
 auth_mechanisms = plain login
+auth_username_format = %n
 
 protocols = \$protocols imap
 
@@ -286,7 +287,6 @@ $dmarcentry
 $spfentry" > "$HOME/dns_emailwizard"
 
 echo "
-
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