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Changes between Version 3 and Version 4 of TracNotification


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Timestamp:
May 30, 2017, 1:52:50 PM (14 months ago)
Author:
trac
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  • TracNotification

    v3 v4  
    1 = Email Notification of Ticket Changes =
     1= Email Notification of Ticket Changes
    22[[TracGuideToc]]
    33
     
    88Disabled by default, notification can be activated and configured in [wiki:TracIni trac.ini].
    99
    10 == Receiving Notification Mails ==
    11 When reporting a new ticket or adding a comment, enter a valid email address or your username in the ''reporter'', ''assigned to/owner'' or ''cc'' field. Trac will automatically send you an email when changes are made to the ticket (depending on how notification is configured).
    12 
    13 This is useful to keep up-to-date on an issue or enhancement request that interests you.
    14 
    15 === How to use your username to receive notification mails ===
    16 
    17 To receive notification mails, you can either enter a full email address or your username. To get notified with a simple username or login, you need to specify a valid email address in the ''Preferences'' page.
    18 
    19 Alternatively, a default domain name ('''`smtp_default_domain`''') can be set in the TracIni file (see [#ConfigurationOptions Configuration Options] below). In this case, the default domain will be appended to the username, which can be useful for an "Intranet" kind of installation.
     10== Receiving Notification Mails
     11When reporting a new ticket or adding a comment, enter a valid email address or your Trac username in the ''reporter'', ''assigned to/owner'' or ''cc'' field. Trac will automatically send you an email when changes are made to the ticket, depending on how notification is configured.
     12
     13=== How to use your username to receive notification mails
     14
     15To receive notification mails, you can either enter a full email address or your Trac username. To get notified with a simple username or login, you need to specify a valid email address in the ''Preferences'' page.
     16
     17Alternatively, a default domain name ('''`smtp_default_domain`''') can be set in the TracIni file, see [#ConfigurationOptions Configuration Options] below. In this case, the default domain will be appended to the username, which can be useful for an "Intranet" kind of installation.
    2018
    2119When using apache and mod_kerb for authentication against Kerberos / Active Directory, usernames take the form ('''`username@EXAMPLE.LOCAL`'''). To avoid this being interpreted as an email address, add the Kerberos domain to  ('''`ignore_domains`''').
    2220
    23 == Configuring SMTP Notification ==
     21=== Ticket attachment notifications
     22
     23Since 1.0.3 Trac will send notifications when a ticket attachment is added or deleted. Usually attachment notifications will be enabled in an environment by default. To disable the attachment notifications for an environment the `TicketAttachmentNotifier` component must be disabled:
     24{{{#!ini
     25[components]
     26trac.ticket.notification.TicketAttachmentNotifier = disabled
     27}}}
     28
     29== Configuring SMTP Notification
    2430
    2531'''Important:''' For TracNotification to work correctly, the `[trac] base_url` option must be set in [wiki:TracIni trac.ini].
    2632
    27 === Configuration Options ===
    28 These are the available options for the `[notification]` section in trac.ini.
    29 
    30  * '''`smtp_enabled`''': Enable email notification.
    31  * '''`smtp_from`''': Email address to use for ''Sender''-headers in notification emails.
    32  * '''`smtp_from_name`''': Sender name to use for ''Sender''-headers in notification emails.
    33  * '''`smtp_replyto`''': Email address to use for ''Reply-To''-headers in notification emails.
    34  * '''`smtp_default_domain`''': (''since 0.10'') Append the specified domain to addresses that do not contain one. Fully qualified addresses are not modified. The default domain is appended to all username/login for which an email address cannot be found from the user settings.
    35  * '''`smtp_always_cc`''': List of email addresses to always send notifications to. ''Typically used to post ticket changes to a dedicated mailing list.''
    36  * '''`smtp_always_bcc`''': (''since 0.10'') List of email addresses to always send notifications to, but keeps addresses not visible from other recipients of the notification email
    37  * '''`smtp_subject_prefix`''': (''since 0.10.1'') Text that is inserted before the subject of the email. Set to "!__default!__" by default.
    38  * '''`always_notify_reporter`''':  Always send notifications to any address in the reporter field (default: false).
    39  * '''`always_notify_owner`''': (''since 0.9'') Always send notifications to the address in the owner field (default: false).
    40  * '''`always_notify_updater`''': (''since 0.10'') Always send a notification to the updater of a ticket (default: true).
    41  * '''`use_public_cc`''': (''since 0.10'') Addresses in To: (owner, reporter) and Cc: lists are visible by all recipients (default is ''Bcc:'' - hidden copy).
    42  * '''`use_short_addr`''': (''since 0.10'') Enable delivery of notifications to addresses that do not contain a domain (i.e. do not end with ''@<domain.com>'').This option is useful for intranets, where the SMTP server can handle local addresses and map the username/login to a local mailbox. See also `smtp_default_domain`. Do not use this option with a public SMTP server.
    43  * '''`ignore_domains`''': Comma-separated list of domains that should not be considered part of email addresses (for usernames with Kerberos domains).
    44  * '''`mime_encoding`''': (''since 0.10'') This option allows selecting the MIME encoding scheme. Supported values:
    45    * `none`: default value, uses 7bit encoding if the text is plain ASCII, or 8bit otherwise.
    46    * `base64`: works with any kind of content. May cause some issues with touchy anti-spam/anti-virus engines.
    47    * `qp` or `quoted-printable`: best for european languages (more compact than base64) if 8bit encoding cannot be used.
    48  * '''`ticket_subject_template`''': (''since 0.11'') A [http://genshi.edgewall.org/wiki/Documentation/text-templates.html Genshi text template] snippet used to get the notification subject.
    49  * '''`email_sender`''': (''since 0.12'') Name of the component implementing `IEmailSender`. This component is used by the notification system to send emails. Trac currently provides the following components:
    50    * `SmtpEmailSender`: connects to an SMTP server (default).
    51    * `SendmailEmailSender`: runs a `sendmail`-compatible executable.   
    52 
    53 Either '''`smtp_from`''' or '''`smtp_replyto`''' (or both) ''must'' be set, otherwise Trac refuses to send notification mails.
    54 
    55 The following options are specific to email delivery through SMTP.
    56  * '''`smtp_server`''': SMTP server used for notification messages.
    57  * '''`smtp_port`''': (''since 0.9'') Port used to contact the SMTP server.
    58  * '''`smtp_user`''': (''since 0.9'') User name for authentication SMTP account.
    59  * '''`smtp_password`''': (''since 0.9'') Password for authentication SMTP account.
    60  * '''`use_tls`''': (''since 0.10'') Toggle to send notifications via a SMTP server using [http://en.wikipedia.org/wiki/Transport_Layer_Security TLS], such as GMail.
    61 
    62 The following option is specific to email delivery through a `sendmail`-compatible executable.
    63  * '''`sendmail_path`''': (''since 0.12'') Path to the sendmail executable. The sendmail program must accept the `-i` and `-f` options.
    64 
    65 === Example Configuration (SMTP) ===
    66 {{{
     33=== Configuration Options
     34These are the available options for the `[notification]` section in trac.ini:
     35
     36[[TracIni(section=notification)]]
     37
     38=== Example Configuration (SMTP)
     39{{{#!ini
    6740[notification]
    6841smtp_enabled = true
     
    7346}}}
    7447
    75 === Example Configuration (`sendmail`) ===
    76 {{{
     48=== Example Configuration (`sendmail`)
     49{{{#!ini
    7750[notification]
    7851smtp_enabled = true
     
    8457}}}
    8558
    86 === Customizing the e-mail subject ===
     59=== Subscriber Configuration
     60The default subscriptions are configured in the `[notification-subscriber]` section in trac.ini:
     61
     62[[TracIni(section=notification-subscriber)]]
     63
     64Each user can override these defaults in his ''Notifications'' preferences.
     65
     66For example to unsubscribe from notifications for one's own changes and comments, the rule "Never notify: I update a ticket" should be added above other subscription rules.
     67
     68The subscription rule name on the left side of the `=` can be anything, it has no meaning outside this configuration file. The subscriber name on the right side of the `=` must be one of the subscribers listed in the above table.
     69
     70The following attributes of default subscriptions can be configured:
     71* `.distributor` (Default: `email`)
     72  * Other values require plugins. For example `on-site` requires th:OnSiteNotificationsPlugin.
     73* `.priority` (Default: `100`)
     74  * Smaller values override larger values.
     75  * If you use `0`, then users will not be able to override this rule.
     76* `.adverb` (Default: `always`)
     77  * `never` can be used to silence other subscription rules with higher values.
     78* `.format` (Default: `text/plain`)
     79  * Other values require plugins. For example `text/html` requires th:TracHtmlNotificationPlugin.
     80
     81=== Example Configuration (default subscriptions)
     82{{{#!ini
     83[notification-subscriber]
     84always_notify_owner = TicketOwnerSubscriber
     85always_notify_owner.distributor = email
     86always_notify_owner.priority = 100
     87always_notify_owner.adverb = always
     88always_notify_owner.format = text/plain
     89
     90always_notify_previous_updater = TicketPreviousUpdatersSubscriber
     91
     92never_notify_updater = TicketUpdaterSubscriber
     93never_notify_updater.adverb = never
     94never_notify_updater.priority = 0
     95
     96notify_cc_html = CarbonCopySubscriber
     97notify_cc_html.format = text/html
     98}}}
     99
     100=== Customizing the e-mail subject
    87101The e-mail subject can be customized with the `ticket_subject_template` option, which contains a [http://genshi.edgewall.org/wiki/Documentation/text-templates.html Genshi text template] snippet. The default value is:
    88 {{{
    89 $prefix #$ticket.id: $summary
     102{{{#!genshi
     103${prefix} #${ticket.id}: ${summary}
    90104}}}
    91105The following variables are available in the template:
     
    94108 * `prefix`: The prefix defined in `smtp_subject_prefix`.
    95109 * `summary`: The ticket summary, with the old value if the summary was edited.
    96  * `ticket`: The ticket model object (see [trac:source:/trunk/trac/ticket/model.py model.py]). Individual ticket fields can be addressed by appending the field name separated by a dot, e.g. `$ticket.milestone`.
    97 
    98 === Customizing the e-mail content ===
    99 
    100 The notification e-mail content is generated based on `ticket_notify_email.txt` in `trac/templates`. You can add your own version of this template by adding a `ticket_notify_email.txt` to the templates directory of your environment. The default looks like this:
    101 
    102 {{{
    103 $ticket_body_hdr
    104 $ticket_props
     110 * `ticket`: The ticket model object (see [trac:source:/trunk/trac/ticket/model.py model.py]). Individual ticket fields can be addressed by appending the field name separated by a dot, eg `${ticket.milestone}`.
     111
     112=== Customizing the e-mail content
     113
     114The notification e-mail content is generated based on `ticket_notify_email.txt` in `trac/ticket/templates`. You can add your own version of this template by adding a `ticket_notify_email.txt` to the templates directory of your environment. The default looks like this:
     115
     116{{{#!genshi
     117${ticket_body_hdr}
     118${ticket_props}
    105119{% choose ticket.new %}\
    106120{%   when True %}\
    107 $ticket.description
     121${ticket.description}
    108122{%   end %}\
    109123{%   otherwise %}\
     
    111125${_('Changes (by %(author)s):', author=change.author)}
    112126
    113 $changes_body
     127${changes_body}
    114128{%     end %}\
    115129{%     if changes_descr %}\
     
    117131${_('Description changed by %(author)s:', author=change.author)}
    118132{%       end %}\
    119 $changes_descr
     133${changes_descr}
    120134--
    121135{%     end %}\
     
    124138${changes_body and _('Comment:') or _('Comment (by %(author)s):', author=change.author)}
    125139
    126 $change.comment
     140${change.comment}
    127141{%     end %}\
    128142{%   end %}\
     
    131145--
    132146${_('Ticket URL: <%(link)s>', link=ticket.link)}
    133 $project.name <${project.url or abs_href()}>
    134 $project.descr
    135 }}}
    136 == Sample Email ==
     147${project.name} <${project.url or abs_href()}>
     148${project.descr}
     149}}}
     150
     151== Sample Email
    137152{{{
    138153#42: testing
     
    145160---------------------------+------------------------------------------------
    146161Changes:
    147   * component:  changset view => search system
     162  * component:  changeset view => search system
    148163  * priority:  low => highest
    149164  * owner:  jonas => anonymous
     
    160175}}}
    161176
    162 
    163 == Customizing e-mail content for MS Outlook ==
    164 
    165 Out-of-the-box, MS Outlook normally presents plain text e-mails with a variable-width font; the ticket properties table will most certainly look like a mess in MS Outlook. This can be fixed with some customization of the [#Customizingthee-mailcontent e-mail template].
     177== Customizing e-mail content for MS Outlook
     178
     179MS Outlook normally presents plain text e-mails with a variable-width font, and as a result the ticket properties table will most certainly look like a mess in MS Outlook. This can be fixed with some customization of the [#Customizingthee-mailcontent e-mail template].
    166180
    167181Replace the following second row in the template:
    168182{{{
    169 $ticket_props
    170 }}}
    171 
    172 with this instead (''requires Python 2.6 or later''):
     183${ticket_props}
     184}}}
     185
     186with this (requires Python 2.6 or later):
    173187{{{
    174188--------------------------------------------------------------------------
     
    184198}}}
    185199
    186 The table of ticket properties is replaced with a list of a selection of the properties. A tab character separates the name and value in such a way that most people should find this more pleasing than the default table, when using MS Outlook.
     200The table of ticket properties is replaced with a list of a selection of the properties. A tab character separates the name and value in such a way that most people should find this more pleasing than the default table when using MS Outlook.
    187201{{{#!div style="margin: 1em 1.75em; border:1px dotted"
    188202{{{#!html
     
    204218Changes:<br />
    205219<br />
    206 &nbsp;&nbsp;* component: &nbsp;changset view =&gt; search system<br />
     220&nbsp;&nbsp;* component: &nbsp;changeset view =&gt; search system<br />
    207221&nbsp;&nbsp;* priority: &nbsp;low =&gt; highest<br />
    208222&nbsp;&nbsp;* owner: &nbsp;jonas =&gt; anonymous<br />
     
    220234}}}
    221235
    222 **Important**: Only those ticket fields that are listed in `sel` are part of the HTML mail. If you have defined custom ticket fields which shall be part of the mail they have to be added to `sel`, example:
     236**Important**: Only those ticket fields that are listed in `sel` are part of the HTML mail. If you have defined custom ticket fields which are to be part of the mail, then they have to be added to `sel`. Example:
    223237{{{
    224238   sel = ['Reporter', ..., 'Keywords', 'Custom1', 'Custom2']
    225239}}}
    226240
    227 However, it's not as perfect as an automatically HTML-formatted e-mail would be, but presented ticket properties are at least readable by default in MS Outlook...
    228 
    229 
    230 == Using GMail as the SMTP relay host ==
    231 
    232 Use the following configuration snippet
    233 {{{
     241However, the solution is still a workaround to an automatically HTML-formatted e-mail.
     242
     243== Using GMail as the SMTP relay host
     244
     245Use the following configuration snippet:
     246{{{#!ini
    234247[notification]
    235248smtp_enabled = true
     
    242255}}}
    243256
    244 where ''user'' and ''password'' match an existing GMail account, ''i.e.'' the ones you use to log in on [http://gmail.com]
     257where ''user'' and ''password'' match an existing GMail account, ie the ones you use to log in on [http://gmail.com].
    245258
    246259Alternatively, you can use `smtp_port = 25`.[[br]]
    247 You should not use `smtp_port = 465`. It will not work and your ticket submission may deadlock. Port 465 is reserved for the SMTPS protocol, which is not supported by Trac. See [trac:comment:2:ticket:7107 #7107] for details.
    248  
    249 == Filtering notifications for one's own changes ==
    250 In Gmail, use the filter:
    251 
    252 {{{
    253 from:(<smtp_from>) (("Reporter: <username>" -Changes) OR "Changes (by <username>)")
    254 }}}
    255 
    256 For Trac .10, use the filter:
    257 {{{
    258 from:(<smtp_from>) (("Reporter: <username>" -Changes -Comment) OR "Changes (by <username>)" OR "Comment (by <username>)")
    259 }}}
    260 
    261 to delete these notifications.
    262 
    263 In Thunderbird, there is no such solution if you use IMAP
    264 (see http://kb.mozillazine.org/Filters_(Thunderbird)#Filtering_the_message_body).
    265 
    266 The best you can do is to set "always_notify_updater" in conf/trac.ini to false.
    267 You will however still get an email if you comment a ticket that you own or have reported.
    268 
    269 You can also add this plugin:
    270 http://trac-hacks.org/wiki/NeverNotifyUpdaterPlugin
    271 
    272 == Troubleshooting ==
     260You should not use `smtp_port = 465`. Doing so may deadlock your ticket submission. Port 465 is reserved for the SMTPS protocol, which is not supported by Trac. See [trac:comment:2:ticket:7107 #7107] for details.
     261
     262== Troubleshooting
    273263
    274264If you cannot get the notification working, first make sure the log is activated and have a look at the log to find if an error message has been logged. See TracLogging for help about the log feature.
    275265
    276 Notification errors are not reported through the web interface, so the user who submit a change or a new ticket never gets notified about a notification failure. The Trac administrator needs to look at the log to find the error trace.
    277 
    278 === ''Permission denied'' error ===
     266Notification errors are not reported through the web interface, so the user who submits a change or a new ticket never gets notified about a notification failure. The Trac administrator needs to look at the log to find the error trace.
     267
     268=== ''Permission denied'' error
    279269
    280270Typical error message:
    281 {{{
     271{{{#!sh
    282272  ...
    283273  File ".../smtplib.py", line 303, in connect
     
    286276}}}
    287277
    288 This error usually comes from a security settings on the server: many Linux distributions do not let the web server (Apache, ...) to post email message to the local SMTP server.
     278This error usually comes from a security settings on the server: many Linux distributions do not allow the web server (Apache, ...) to post email messages to the local SMTP server.
    289279
    290280Many users get confused when their manual attempts to contact the SMTP server succeed:
    291 {{{
     281{{{#!sh
    292282telnet localhost 25
    293283}}}
    294 The trouble is that a regular user may connect to the SMTP server, but the web server cannot:
    295 {{{
     284This is because a regular user may connect to the SMTP server, but the web server cannot:
     285{{{#!sh
    296286sudo -u www-data telnet localhost 25
    297287}}}
    298288
    299 In such a case, you need to configure your server so that the web server is authorized to post to the SMTP server. The actual settings depend on your Linux distribution and current security policy. You may find help browsing the Trac [trac:MailingList MailingList] archive.
     289In such a case, you need to configure your server so that the web server is authorized to post to the SMTP server. The actual settings depend on your Linux distribution and current security policy. You may find help in the Trac [trac:MailingList MailingList] archive.
    300290
    301291Relevant ML threads:
     
    303293
    304294For SELinux in Fedora 10:
    305 {{{
     295{{{#!sh
    306296$ setsebool -P httpd_can_sendmail 1
    307297}}}
    308 === ''Suspected spam'' error ===
     298
     299=== ''Suspected spam'' error
    309300
    310301Some SMTP servers may reject the notification email sent by Trac.
    311302
    312 The default Trac configuration uses Base64 encoding to send emails to the recipients. The whole body of the email is encoded, which sometimes trigger ''false positive'' SPAM detection on sensitive email servers. In such an event, it is recommended to change the default encoding to "quoted-printable" using the `mime_encoding` option.
    313 
    314 Quoted printable encoding works better with languages that use one of the Latin charsets. For Asian charsets, it is recommended to stick with the Base64 encoding.
    315 
    316 === ''501, 5.5.4 Invalid Address'' error ===
    317 
    318 On IIS 6.0 you could get a
    319 {{{
    320 Failure sending notification on change to ticket #1: SMTPHeloError: (501, '5.5.4 Invalid Address')
    321 }}}
    322 in the trac log. Have a look [http://support.microsoft.com/kb/291828 here] for instructions on resolving it.
    323 
     303The default Trac configuration uses Base64 encoding to send emails to the recipients. The whole body of the email is encoded, which sometimes trigger ''false positive'' spam detection on sensitive email servers. In such an event, change the default encoding to "quoted-printable" using the `mime_encoding` option.
     304
     305Quoted printable encoding works better with languages that use one of the Latin charsets. For Asian charsets, stick with the Base64 encoding.
    324306
    325307----
    326 See also: TracTickets, TracIni, TracGuide
     308See also: TracTickets, TracIni, TracGuide, [trac:TracDev/NotificationApi]