# Swift transport error

**URL:** <https://forum.mautic.org/t/swift-transport-error/14945>\
**Category:** Product Support\
**Created:** [June 25, 2020, 1:09am UTC](https://forum.mautic.org/t/swift-transport-error/14945 "2020-06-25T01:09:59Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![EJL](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/ejl/32/12155_2.png) [@EJL](https://forum.mautic.org/u/EJL)\
**Post date:** [June 25, 2020, 1:09am UTC](https://forum.mautic.org/t/swift-transport-error/14945/1 "2020-06-25T01:09:59Z")

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**Your software**  
My Mautic version is:3.0  
My PHP version is:7.3

**Your problem**  
My problem is:  
In LoggerPlugin.php line 124:

Cannot send message without a sender address  
Log data:  
++ Starting Swift\_Transport\_EsmtpTransport  
\<\< 220 [myHost.com](http://myHost.com) ESMTP Postfix

EHLO [hub.mydomain.com](http://hub.mydomain.com)

\<\< [250-myhost.com](http://250-myhost.com)  
250-PIPELINING  
250-SIZE 10240000  
250-ETRN  
250-STARTTLS  
250-ENHANCEDSTATUSCODES  
250-8BITMIME  
250-DSN  
250-SMTPUTF8  
250 CHUNKING

STARTTLS

\<\< 220 2.0.0 Ready to start TLS

EHLO [hub.mydomain.com](http://hub.mydomain.com)

\<\< [250-myHost.com](http://250-myHost.com)  
250-PIPELINING  
250-SIZE 10240000  
250-ETRN  
250-AUTH DIGEST-MD5 CRAM-MD5 PLAIN LOGIN  
250-ENHANCEDSTATUSCODES  
250-8BITMIME  
250-DSN  
250-SMTPUTF8  
250 CHUNKING

AUTH LOGIN

\<\< 334 VXNlcm5hbWU6

aW5mb0B0ZWNocGhlbm9tZW5vbi5jb20=

\<\< 334 UGFzc3dvcmQ6

RGlhYmxvdGVrMTk3OA==

\<\< 235 2.7.0 Authentication successful

++ Swift\_Transport\_EsmtpTransport started  
!! Cannot send message without a sender address (code: 0)

swiftmailer:spool:send [–message-limit MESSAGE-LIMIT] [–time-limit TIME-LIMIT] [–recover-timeout RECOVER-TIMEOUT] [–mailer MAILER] [–transport TRANSPORT] [-h|–help] [-q|–quiet] [-v|vv|vvv|–verbose] [-V|–version] [–ansi] [–no-ansi] [-n|–no-interaction] [-e|–env ENV] [–no-debug] [–]

These errors are showing in the log: listed above

Steps I have tried to fix the problem: cleared cache restarted postfix & dovecot and threw a silver dollar down a wishing well

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<div class="post-metadata">

**Author:** ![silavapi](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/silavapi/32/7424_2.png) [@silavapi](https://forum.mautic.org/u/silavapi)\
**Post date:** [June 25, 2020, 10:06am UTC](https://forum.mautic.org/t/swift-transport-error/14945/2 "2020-06-25T10:06:19Z")

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A post was merged into an existing topic: [SwiftMailer Error: Cannot Send Message Without Sender Address](https://forum.mautic.org/t/swiftmailer-error-cannot-send-message-without-sender-address/14863)

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<div class="post-metadata">

**Author:** ![silavapi](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/silavapi/32/7424_2.png) [@silavapi](https://forum.mautic.org/u/silavapi)\
**Post date:** [June 25, 2020, 10:06am UTC](https://forum.mautic.org/t/swift-transport-error/14945/3 "2020-06-25T10:06:19Z")

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