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0

In my java application I have a module that allows to send mails

application.yml:

...
 mail:
 host: smtp.gmail.com
 port: 587
 username: xxxxxx@gmail.com #Replace this field with your Gmail username.
 password: xxxxxxx #Replace this field with your Gmail password.
 protocol: smtp
 tls: true
 properties.mail.smtp:
 auth: true
 starttls.enable: true
 ssl.trust: smtp.gmail.com
...

MailService.java:

...
 @Async
 public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) 
 log.debug("Send email[multipart '' and html ''] to '' with subject '' and content=",
 isMultipart, isHtml, to, subject, content);

 // Prepare message using a Spring helper
 MimeMessage mimeMessage = javaMailSender.createMimeMessage();
 try 
 MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, StandardCharsets.UTF_8.name());
 message.setTo(to);
 message.setFrom(Properties.getMail().getFrom());
 message.setSubject(subject);
 message.setText(content, isHtml);
 javaMailSender.send(mimeMessage);
 log.debug("Sent email to User ''", to);
 catch (Exception e) 
 if (log.isDebugEnabled()) 
 log.warn("Email could not be sent to user ''", to, e);
 else 
 log.warn("Email could not be sent to user '': ", to, e.getMessage());
 
 
 
...

When I use my application locally (Windows 10) I receive my emails.
But when I deploy my application on my server Centos 7 I do not receive any mail and I have no error in my logs.

So I wonder if it is necessary to install a postfix or others on my server Centos 7 to relay the mail?

I opened port 587 25 on my Centos 7 firewall

centos java sendmail

share|improve this question

asked Mar 28 at 12:59

MercerMercer

2733617

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Can your CentOS machine resolve smtp.gmail.com? Can it get to port 587/tcp on the server(s) defined by that name?
  
  – roaima
  Mar 28 at 15:50
  
  

  
  
  
  

add a comment | 

0

In my java application I have a module that allows to send mails

application.yml:

...
 mail:
 host: smtp.gmail.com
 port: 587
 username: xxxxxx@gmail.com #Replace this field with your Gmail username.
 password: xxxxxxx #Replace this field with your Gmail password.
 protocol: smtp
 tls: true
 properties.mail.smtp:
 auth: true
 starttls.enable: true
 ssl.trust: smtp.gmail.com
...

MailService.java:

...
 @Async
 public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) 
 log.debug("Send email[multipart '' and html ''] to '' with subject '' and content=",
 isMultipart, isHtml, to, subject, content);

 // Prepare message using a Spring helper
 MimeMessage mimeMessage = javaMailSender.createMimeMessage();
 try 
 MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, StandardCharsets.UTF_8.name());
 message.setTo(to);
 message.setFrom(Properties.getMail().getFrom());
 message.setSubject(subject);
 message.setText(content, isHtml);
 javaMailSender.send(mimeMessage);
 log.debug("Sent email to User ''", to);
 catch (Exception e) 
 if (log.isDebugEnabled()) 
 log.warn("Email could not be sent to user ''", to, e);
 else 
 log.warn("Email could not be sent to user '': ", to, e.getMessage());
 
 
 
...

When I use my application locally (Windows 10) I receive my emails.
But when I deploy my application on my server Centos 7 I do not receive any mail and I have no error in my logs.

So I wonder if it is necessary to install a postfix or others on my server Centos 7 to relay the mail?

I opened port 587 25 on my Centos 7 firewall

centos java sendmail

share|improve this question

asked Mar 28 at 12:59

MercerMercer

2733617

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Can your CentOS machine resolve smtp.gmail.com? Can it get to port 587/tcp on the server(s) defined by that name?
  
  – roaima
  Mar 28 at 15:50
  
  

  
  
  
  

add a comment | 

In my java application I have a module that allows to send mails

application.yml:

...
 mail:
 host: smtp.gmail.com
 port: 587
 username: xxxxxx@gmail.com #Replace this field with your Gmail username.
 password: xxxxxxx #Replace this field with your Gmail password.
 protocol: smtp
 tls: true
 properties.mail.smtp:
 auth: true
 starttls.enable: true
 ssl.trust: smtp.gmail.com
...

MailService.java:

...
 @Async
 public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) 
 log.debug("Send email[multipart '' and html ''] to '' with subject '' and content=",
 isMultipart, isHtml, to, subject, content);

 // Prepare message using a Spring helper
 MimeMessage mimeMessage = javaMailSender.createMimeMessage();
 try 
 MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, StandardCharsets.UTF_8.name());
 message.setTo(to);
 message.setFrom(Properties.getMail().getFrom());
 message.setSubject(subject);
 message.setText(content, isHtml);
 javaMailSender.send(mimeMessage);
 log.debug("Sent email to User ''", to);
 catch (Exception e) 
 if (log.isDebugEnabled()) 
 log.warn("Email could not be sent to user ''", to, e);
 else 
 log.warn("Email could not be sent to user '': ", to, e.getMessage());
 
 
 
...

When I use my application locally (Windows 10) I receive my emails.
But when I deploy my application on my server Centos 7 I do not receive any mail and I have no error in my logs.

So I wonder if it is necessary to install a postfix or others on my server Centos 7 to relay the mail?

I opened port 587 25 on my Centos 7 firewall

centos java sendmail

share|improve this question

asked Mar 28 at 12:59

MercerMercer

2733617

...
 mail:
 host: smtp.gmail.com
 port: 587
 username: xxxxxx@gmail.com #Replace this field with your Gmail username.
 password: xxxxxxx #Replace this field with your Gmail password.
 protocol: smtp
 tls: true
 properties.mail.smtp:
 auth: true
 starttls.enable: true
 ssl.trust: smtp.gmail.com
...

...
 @Async
 public void sendEmail(String to, String subject, String content, boolean isMultipart, boolean isHtml) 
 log.debug("Send email[multipart '' and html ''] to '' with subject '' and content=",
 isMultipart, isHtml, to, subject, content);

 // Prepare message using a Spring helper
 MimeMessage mimeMessage = javaMailSender.createMimeMessage();
 try 
 MimeMessageHelper message = new MimeMessageHelper(mimeMessage, isMultipart, StandardCharsets.UTF_8.name());
 message.setTo(to);
 message.setFrom(Properties.getMail().getFrom());
 message.setSubject(subject);
 message.setText(content, isHtml);
 javaMailSender.send(mimeMessage);
 log.debug("Sent email to User ''", to);
 catch (Exception e) 
 if (log.isDebugEnabled()) 
 log.warn("Email could not be sent to user ''", to, e);
 else 
 log.warn("Email could not be sent to user '': ", to, e.getMessage());
 
 
 
...

share|improve this question

asked Mar 28 at 12:59

MercerMercer

2733617

share|improve this question

asked Mar 28 at 12:59

MercerMercer

2733617

asked Mar 28 at 12:59

MercerMercer

2733617

asked Mar 28 at 12:59

MercerMercer

2733617